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90105496 = 2313866399
BaseRepresentation
bin1010101111011…
…10011010011000
320021112211111121
411113232122120
5141031333441
612535135024
72142612145
oct527563230
9207484447
1090105496
1146953658
1226214474
131588ac80
14bd773cc
157d9cdd1
hex55ee698

90105496 has 16 divisors (see below), whose sum is σ = 181944000. Its totient is φ = 41587104.

The previous prime is 90105487. The next prime is 90105503. The reversal of 90105496 is 69450109.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433096 + ... + 433303.

It is an arithmetic number, because the mean of its divisors is an integer number (11371500).

Almost surely, 290105496 is an apocalyptic number.

It is an amenable number.

90105496 is an abundant number, since it is smaller than the sum of its proper divisors (91838504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90105496 is a wasteful number, since it uses less digits than its factorization.

90105496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866418 (or 866414 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 90105496 is about 9492.3914794956. The cubic root of 90105496 is about 448.3155063860.

It can be divided in two parts, 90105 and 496, that added together give a square (90601 = 3012).

The spelling of 90105496 in words is "ninety million, one hundred five thousand, four hundred ninety-six".

Divisors: 1 2 4 8 13 26 52 104 866399 1732798 3465596 6931192 11263187 22526374 45052748 90105496