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90769914 = 23223219251
BaseRepresentation
bin1010110100100…
…00100111111010
320022210120220200
411122100213322
5141214114124
613001303030
72151350214
oct532204772
9208716820
1090769914
1147267864
1226494a76
1315a61511
14c0ab5b4
157e7ebc9
hex56909fa

90769914 has 24 divisors (see below), whose sum is σ = 205219872. Its totient is φ = 28941000.

The previous prime is 90769909. The next prime is 90769927. The reversal of 90769914 is 41996709.

It is a self number, because there is not a number n which added to its sum of digits gives 90769914.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109212 + ... + 110039.

It is an arithmetic number, because the mean of its divisors is an integer number (8550828).

Almost surely, 290769914 is an apocalyptic number.

90769914 is an abundant number, since it is smaller than the sum of its proper divisors (114449958).

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

90769914 is a wasteful number, since it uses less digits than its factorization.

90769914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219282 (or 219279 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 90769914 is about 9527.3245982280. The cubic root of 90769914 is about 449.4147354383.

The spelling of 90769914 in words is "ninety million, seven hundred sixty-nine thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 219251 438502 657753 1315506 1973259 3946518 5042773 10085546 15128319 30256638 45384957 90769914