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89102685 = 3571959757
BaseRepresentation
bin1010100111110…
…01100101011101
320012122212220110
411103321211131
5140302241220
612501440233
72131234410
oct523714535
9205585813
1089102685
1146329191
1225a10079
13155c96a9
14bb95b77
157c50be0
hex54f995d

89102685 has 64 divisors (see below), whose sum is σ = 174643200. Its totient is φ = 37884672.

The previous prime is 89102597. The next prime is 89102693. The reversal of 89102685 is 58620198.

It is not a de Polignac number, because 89102685 - 29 = 89102173 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117327 + ... + 118083.

It is an arithmetic number, because the mean of its divisors is an integer number (2728800).

Almost surely, 289102685 is an apocalyptic number.

It is an amenable number.

89102685 is a deficient number, since it is larger than the sum of its proper divisors (85540515).

89102685 is a wasteful number, since it uses less digits than its factorization.

89102685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 89102685 is about 9439.4218572961. The cubic root of 89102685 is about 446.6461523090.

The spelling of 89102685 in words is "eighty-nine million, one hundred two thousand, six hundred eighty-five".

Divisors: 1 3 5 7 15 19 21 35 57 59 95 105 133 177 285 295 399 413 665 757 885 1121 1239 1995 2065 2271 3363 3785 5299 5605 6195 7847 11355 14383 15897 16815 23541 26495 39235 43149 44663 71915 79485 100681 117705 133989 215745 223315 302043 312641 503405 669945 848597 937923 1510215 1563205 2545791 4242985 4689615 5940179 12728955 17820537 29700895 89102685