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90759929 = 132537041
BaseRepresentation
bin1010110100011…
…10001011111001
320022210002012212
411122032023321
5141213304204
613001144505
72151306131
oct532161371
9208702185
1090759929
1147260307
122648b135
1315a59b00
14c0a7ac1
157e7bc6e
hex568e2f9

90759929 has 6 divisors (see below), whose sum is σ = 98278686. Its totient is φ = 83778240.

The previous prime is 90759917. The next prime is 90759931. The reversal of 90759929 is 92995709.

It can be written as a sum of positive squares in 3 ways, for example, as 3841600 + 86918329 = 1960^2 + 9323^2 .

It is not a de Polignac number, because 90759929 - 216 = 90694393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90759959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268352 + ... + 268689.

It is an arithmetic number, because the mean of its divisors is an integer number (16379781).

Almost surely, 290759929 is an apocalyptic number.

It is an amenable number.

90759929 is a deficient number, since it is larger than the sum of its proper divisors (7518757).

90759929 is a wasteful number, since it uses less digits than its factorization.

90759929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537067 (or 537054 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 90759929 is about 9526.8005647227. The cubic root of 90759929 is about 449.3982557830.

The spelling of 90759929 in words is "ninety million, seven hundred fifty-nine thousand, nine hundred twenty-nine".

Divisors: 1 13 169 537041 6981533 90759929