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90875814 = 2353285773
BaseRepresentation
bin1010110101010…
…10011110100110
320022222222011220
411122222132212
5141231011224
613003441210
72152301031
oct532523646
9208888156
1090875814
114732a387
1226526206
1315a9a793
14c0d8018
157ea1279
hex56aa7a6

90875814 has 16 divisors (see below), whose sum is σ = 185181552. Its totient is φ = 29720288.

The previous prime is 90875777. The next prime is 90875819. The reversal of 90875814 is 41857809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90875819) 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, 142569 + ... + 143204.

It is an arithmetic number, because the mean of its divisors is an integer number (11573847).

Almost surely, 290875814 is an apocalyptic number.

90875814 is an abundant number, since it is smaller than the sum of its proper divisors (94305738).

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

90875814 is a wasteful number, since it uses less digits than its factorization.

90875814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285831.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 90875814 is about 9532.8806768993. The cubic root of 90875814 is about 449.5894428263.

The spelling of 90875814 in words is "ninety million, eight hundred seventy-five thousand, eight hundred fourteen".

Divisors: 1 2 3 6 53 106 159 318 285773 571546 857319 1714638 15145969 30291938 45437907 90875814