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90416623 = 1131326261
BaseRepresentation
bin1010110001110…
…10010111101111
320022010122021211
411120322113233
5141121312443
612545535251
72145346213
oct530722757
9208118254
1090416623
1147046390
1226344527
131596977b
14c018943
157e1019d
hex563a5ef

90416623 has 8 divisors (see below), whose sum is σ = 98955216. Its totient is φ = 81931200.

The previous prime is 90416617. The next prime is 90416629. The reversal of 90416623 is 32661409.

It is an interprime number because it is at equal distance from previous prime (90416617) and next prime (90416629).

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 90416623 - 225 = 56862191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90416629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9688 + ... + 16573.

It is an arithmetic number, because the mean of its divisors is an integer number (12369402).

Almost surely, 290416623 is an apocalyptic number.

90416623 is a deficient number, since it is larger than the sum of its proper divisors (8538593).

90416623 is a wasteful number, since it uses less digits than its factorization.

90416623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26585.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 90416623 is about 9508.7655876039. The cubic root of 90416623 is about 448.8309126995.

The spelling of 90416623 in words is "ninety million, four hundred sixteen thousand, six hundred twenty-three".

Divisors: 1 11 313 3443 26261 288871 8219693 90416623