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90757541 = 712965363
BaseRepresentation
bin1010110100011…
…01100110100101
320022202221221102
411122031212211
5141213220131
613001125445
72151266150
oct532154645
9208687842
1090757541
1147259536
1226489885
1315a589b4
14c0a6c97
157e7b1cb
hex568d9a5

90757541 has 4 divisors (see below), whose sum is σ = 103722912. Its totient is φ = 77792172.

The previous prime is 90757519. The next prime is 90757549. The reversal of 90757541 is 14575709.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90757541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90757495 and 90757504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90757549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6482675 + ... + 6482688.

It is an arithmetic number, because the mean of its divisors is an integer number (25930728).

Almost surely, 290757541 is an apocalyptic number.

It is an amenable number.

90757541 is a deficient number, since it is larger than the sum of its proper divisors (12965371).

90757541 is a wasteful number, since it uses less digits than its factorization.

90757541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12965370.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 90757541 is about 9526.6752332595. The cubic root of 90757541 is about 449.3943143503.

The spelling of 90757541 in words is "ninety million, seven hundred fifty-seven thousand, five hundred forty-one".

Divisors: 1 7 12965363 90757541