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86518272 = 293233179
BaseRepresentation
bin1010010100000…
…10101000000000
320000210120202110
411022002220000
5134122041042
612330215320
72100251601
oct512025000
9200716673
1086518272
1144923505
1224b84540
1314c03259
14b6c1da8
1578e009c
hex5282a00

86518272 has 160 divisors (see below), whose sum is σ = 251412480. Its totient is φ = 26357760.

The previous prime is 86518183. The next prime is 86518273. The reversal of 86518272 is 27281568.

It is a super-2 number, since 2×865182722 = 14970822779731968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86518272.

It is not an unprimeable number, because it can be changed into a prime (86518273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095129 + ... + 1095207.

It is an arithmetic number, because the mean of its divisors is an integer number (1571328).

Almost surely, 286518272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86518272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125706240).

86518272 is an abundant number, since it is smaller than the sum of its proper divisors (164894208).

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

86518272 is a wasteful number, since it uses less digits than its factorization.

86518272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 138 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 86518272 is about 9301.5198758052. The cubic root of 86518272 is about 442.2854090535.

The spelling of 86518272 in words is "eighty-six million, five hundred eighteen thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 31 32 46 48 62 64 69 79 92 93 96 124 128 138 158 184 186 192 237 248 256 276 316 368 372 384 474 496 512 552 632 713 736 744 768 948 992 1104 1264 1426 1472 1488 1536 1817 1896 1984 2139 2208 2449 2528 2852 2944 2976 3634 3792 3968 4278 4416 4898 5056 5451 5704 5888 5952 7268 7347 7584 7936 8556 8832 9796 10112 10902 11408 11776 11904 14536 14694 15168 15872 17112 17664 19592 20224 21804 22816 23808 29072 29388 30336 34224 35328 39184 40448 43608 45632 47616 56327 58144 58776 60672 68448 78368 87216 91264 112654 116288 117552 121344 136896 156736 168981 174432 182528 225308 232576 235104 273792 313472 337962 348864 365056 450616 465152 470208 547584 626944 675924 697728 901232 930304 940416 1095168 1253888 1351848 1395456 1802464 1880832 2703696 2790912 3604928 3761664 5407392 7209856 10814784 14419712 21629568 28839424 43259136 86518272