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167428272 = 243113153193
BaseRepresentation
bin10011111101011…
…00000010110000
3102200001020102010
421332230002300
5320330201042
624340322520
74102055034
oct1176540260
9380036363
10167428272
1186566380
12480a3440
13288c18ab
14183441c4
15ea7359c
hex9fac0b0

167428272 has 160 divisors (see below), whose sum is σ = 498825216. Its totient is φ = 47923200.

The previous prime is 167428271. The next prime is 167428273. The reversal of 167428272 is 272824761.

It is an interprime number because it is at equal distance from previous prime (167428271) and next prime (167428273).

It is a self number, because there is not a number n which added to its sum of digits gives 167428272.

It is not an unprimeable number, because it can be changed into a prime (167428271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867408 + ... + 867600.

Almost surely, 2167428272 is an apocalyptic number.

167428272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167428272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249412608).

167428272 is an abundant number, since it is smaller than the sum of its proper divisors (331396944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167428272 is a wasteful number, since it uses less digits than its factorization.

167428272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 293 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 167428272 is about 12939.4077144203. The cubic root of 167428272 is about 551.1581896759.

The spelling of 167428272 in words is "one hundred sixty-seven million, four hundred twenty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 53 62 66 88 93 106 124 132 159 176 186 193 212 248 264 318 341 372 386 424 496 528 579 583 636 682 744 772 848 1023 1158 1166 1272 1364 1488 1544 1643 1749 2046 2123 2316 2332 2544 2728 3088 3286 3498 4092 4246 4632 4664 4929 5456 5983 6369 6572 6996 8184 8492 9264 9328 9858 10229 11966 12738 13144 13992 16368 16984 17949 18073 19716 20458 23932 25476 26288 27984 30687 33968 35898 36146 39432 40916 47864 50952 54219 61374 65813 71796 72292 78864 81832 95728 101904 108438 112519 122748 131626 143592 144584 163664 197439 216876 225038 245496 263252 287184 289168 317099 337557 394878 433752 450076 490992 526504 634198 675114 789756 867504 900152 951297 1053008 1268396 1350228 1579512 1800304 1902594 2536792 2700456 3159024 3488089 3805188 5073584 5400912 6976178 7610376 10464267 13952356 15220752 20928534 27904712 41857068 55809424 83714136 167428272