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87527088 = 243311113163
BaseRepresentation
bin1010011011110…
…00111010110000
320002200211121000
411031320322300
5134401331323
612404002000
72111653005
oct515707260
9202624530
1087527088
1145452440
1225390300
131519749c
14b8a58ac
157a3de43
hex5378eb0

87527088 has 160 divisors (see below), whose sum is σ = 278196480. Its totient is φ = 26127360.

The previous prime is 87527081. The next prime is 87527093. The reversal of 87527088 is 88072578.

It is a happy number.

It is a super-2 number, since 2×875270882 = 15321982267519488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87527081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536895 + ... + 537057.

It is an arithmetic number, because the mean of its divisors is an integer number (1738728).

Almost surely, 287527088 is an apocalyptic number.

87527088 is a gapful number since it is divisible by the number (88) 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 87527088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139098240).

87527088 is an abundant number, since it is smaller than the sum of its proper divisors (190669392).

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

87527088 is a wasteful number, since it uses less digits than its factorization.

87527088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 87527088 is about 9355.5912693961. The cubic root of 87527088 is about 443.9978086086.

Subtracting 87527088 from its reverse (88072578), we obtain a triangular number (545490 = T1044).

The spelling of 87527088 in words is "eighty-seven million, five hundred twenty-seven thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 108 113 132 144 163 176 198 216 226 264 297 326 339 396 432 452 489 528 594 652 678 792 904 978 1017 1188 1243 1304 1356 1467 1584 1793 1808 1956 2034 2376 2486 2608 2712 2934 3051 3586 3729 3912 4068 4401 4752 4972 5379 5424 5868 6102 7172 7458 7824 8136 8802 9944 10758 11187 11736 12204 14344 14916 16137 16272 17604 18419 19888 21516 22374 23472 24408 28688 29832 32274 33561 35208 36838 43032 44748 48411 48816 55257 59664 64548 67122 70416 73676 86064 89496 96822 110514 129096 134244 147352 165771 178992 193644 202609 221028 258192 268488 294704 331542 387288 405218 442056 497313 536976 607827 663084 774576 810436 884112 994626 1215654 1326168 1620872 1823481 1989252 2431308 2652336 3241744 3646962 3978504 4862616 5470443 7293924 7957008 9725232 10940886 14587848 21881772 29175696 43763544 87527088