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90877497 = 3137322063
BaseRepresentation
bin1010110101010…
…10111000111001
320100000001111020
411122222320321
5141231034442
613003453053
72152305654
oct532527071
9210001436
1090877497
1147330677
1226527189
1315a9b489
14c0d889b
157ea19ec
hex56aae39

90877497 has 8 divisors (see below), whose sum is σ = 121263744. Its totient is φ = 60538128.

The previous prime is 90877487. The next prime is 90877499. The reversal of 90877497 is 79477809.

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

It is not a de Polignac number, because 90877497 - 26 = 90877433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90877499) 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, 6913 + ... + 15150.

It is an arithmetic number, because the mean of its divisors is an integer number (15157968).

Almost surely, 290877497 is an apocalyptic number.

It is an amenable number.

90877497 is a deficient number, since it is larger than the sum of its proper divisors (30386247).

90877497 is a wasteful number, since it uses less digits than its factorization.

90877497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23439.

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 90877497 is about 9532.9689499127. The cubic root of 90877497 is about 449.5922182416.

The spelling of 90877497 in words is "ninety million, eight hundred seventy-seven thousand, four hundred ninety-seven".

Divisors: 1 3 1373 4119 22063 66189 30292499 90877497