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90125077 = 792913859
BaseRepresentation
bin1010101111100…
…11001100010101
320021120211100211
411113303030111
5141033000302
612535405421
72143023220
oct527631425
9207524324
1090125077
1146967339
1226223871
1315896b63
14bd805b7
157da3ad7
hex55f3315

90125077 has 8 divisors (see below), whose sum is σ = 103118400. Its totient is φ = 77161344.

The previous prime is 90125059. The next prime is 90125089. The reversal of 90125077 is 77052109.

90125077 is nontrivially palindromic in base 15.

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 90125077 - 27 = 90124949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90125047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (12889800).

Almost surely, 290125077 is an apocalyptic number.

It is an amenable number.

90125077 is a deficient number, since it is larger than the sum of its proper divisors (12993323).

90125077 is a wasteful number, since it uses less digits than its factorization.

90125077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 90125077 is about 9493.4228284639. The cubic root of 90125077 is about 448.3479788045.

The spelling of 90125077 in words is "ninety million, one hundred twenty-five thousand, seventy-seven".

Divisors: 1 7 929 6503 13859 97013 12875011 90125077