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90892269 = 32133312347
BaseRepresentation
bin1010110101011…
…10011111101101
320100000210202100
411122232133231
5141232023034
613004045313
72152400016
oct532563755
9210023670
1090892269
1147340786
1226533839
1315aa5110
14c10000d
157ea6099
hex56ae7ed

90892269 has 24 divisors (see below), whose sum is σ = 141875552. Its totient is φ = 55740960.

The previous prime is 90892261. The next prime is 90892309. The reversal of 90892269 is 96229809.

It is not a de Polignac number, because 90892269 - 23 = 90892261 is a prime.

It is a super-2 number, since 2×908922692 = 16522809127936722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90892261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37554 + ... + 39900.

Almost surely, 290892269 is an apocalyptic number.

It is an amenable number.

90892269 is a deficient number, since it is larger than the sum of its proper divisors (50983283).

90892269 is a wasteful number, since it uses less digits than its factorization.

90892269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 90892269 is about 9533.7437032889. The cubic root of 90892269 is about 449.6165771007.

The spelling of 90892269 in words is "ninety million, eight hundred ninety-two thousand, two hundred sixty-nine".

Divisors: 1 3 9 13 39 117 331 993 2347 2979 4303 7041 12909 21123 30511 38727 91533 274599 776857 2330571 6991713 10099141 30297423 90892269