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90575927 = 1338917911
BaseRepresentation
bin1010110011000…
…01010000110111
320022102201210222
411121201100313
5141141412202
612553204555
72146611521
oct531412067
9208381728
1090575927
1147145042
122640075b
13159c4130
14c05aa11
157e424a2
hex5661437

90575927 has 8 divisors (see below), whose sum is σ = 97799520. Its totient is φ = 83388960.

The previous prime is 90575899. The next prime is 90575939. The reversal of 90575927 is 72957509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90575927 - 214 = 90559543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90575977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899 + ... + 14012.

It is an arithmetic number, because the mean of its divisors is an integer number (12224940).

Almost surely, 290575927 is an apocalyptic number.

90575927 is a deficient number, since it is larger than the sum of its proper divisors (7223593).

90575927 is a wasteful number, since it uses less digits than its factorization.

90575927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 90575927 is about 9517.1385930856. The cubic root of 90575927 is about 449.0943547024.

The spelling of 90575927 in words is "ninety million, five hundred seventy-five thousand, nine hundred twenty-seven".

Divisors: 1 13 389 5057 17911 232843 6967379 90575927