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170068272 = 243111718947
BaseRepresentation
bin10100010001100…
…00100100110000
3102212000100210220
422020300210300
5322014141042
624513053040
74133361603
oct1210604460
9385010726
10170068272
1187aa98a0
1248b57180
132930741a
141883033a
15ede58ec
hexa230930

170068272 has 80 divisors (see below), whose sum is σ = 507503232. Its totient is φ = 48501760.

The previous prime is 170068271. The next prime is 170068273. The reversal of 170068272 is 272860071.

It is an interprime number because it is at equal distance from previous prime (170068271) and next prime (170068273).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (170068271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498 + ... + 18449.

Almost surely, 2170068272 is an apocalyptic number.

170068272 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 170068272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253751616).

170068272 is an abundant number, since it is smaller than the sum of its proper divisors (337434960).

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

170068272 is a wasteful number, since it uses less digits than its factorization.

170068272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18986 (or 18980 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 170068272 is about 13041.0226592856. The cubic root of 170068272 is about 554.0399733090.

The spelling of 170068272 in words is "one hundred seventy million, sixty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 24 33 34 44 48 51 66 68 88 102 132 136 176 187 204 264 272 374 408 528 561 748 816 1122 1496 2244 2992 4488 8976 18947 37894 56841 75788 113682 151576 208417 227364 303152 322099 416834 454728 625251 644198 833668 909456 966297 1250502 1288396 1667336 1932594 2501004 2576792 3334672 3543089 3865188 5002008 5153584 7086178 7730376 10004016 10629267 14172356 15460752 21258534 28344712 42517068 56689424 85034136 170068272