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89057085 = 3513219432
BaseRepresentation
bin1010100111011…
…10011100111101
320012120120100120
411103232130331
5140244311320
612500445153
72130654435
oct523563475
9205516316
1089057085
11462a79a7
12259a97b9
13155b1a00
14bb832c5
157c42440
hex54ee73d

89057085 has 72 divisors (see below), whose sum is σ = 166281120. Its totient is φ = 40569984.

The previous prime is 89057071. The next prime is 89057093. The reversal of 89057085 is 58075098.

It is not a de Polignac number, because 89057085 - 24 = 89057069 is a prime.

It is a super-3 number, since 3×890570853 (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2071074 + ... + 2071116.

It is an arithmetic number, because the mean of its divisors is an integer number (2309460).

Almost surely, 289057085 is an apocalyptic number.

It is an amenable number.

89057085 is a deficient number, since it is larger than the sum of its proper divisors (77224035).

89057085 is a wasteful number, since it uses less digits than its factorization.

89057085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 89057085 is about 9437.0061460190. The cubic root of 89057085 is about 446.5699460759.

It can be divided in two parts, 890 and 57085, that added together give a palindrome (57975).

The spelling of 89057085 in words is "eighty-nine million, fifty-seven thousand, eighty-five".

Divisors: 1 3 5 13 15 19 39 43 57 65 95 129 169 195 215 247 285 507 559 645 741 817 845 1235 1677 1849 2451 2535 2795 3211 3705 4085 5547 7267 8385 9245 9633 10621 12255 16055 21801 24037 27735 31863 35131 36335 48165 53105 72111 105393 109005 120185 138073 159315 175655 312481 360555 414219 456703 526965 690365 937443 1370109 1562405 2071095 2283515 4687215 5937139 6850545 17811417 29685695 89057085