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90208294 = 21137110821
BaseRepresentation
bin1010110000001…
…11100000100110
320021202001111221
411120013200212
5141043131134
612541250554
72143520641
oct530074046
9207661457
1090208294
1146a13910
1226263a5a
13158c59b7
14bda2a58
157dbd5b4
hex5607826

90208294 has 16 divisors (see below), whose sum is σ = 151604496. Its totient is φ = 39895200.

The previous prime is 90208289. The next prime is 90208309. The reversal of 90208294 is 49280209.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54597 + ... + 56224.

It is an arithmetic number, because the mean of its divisors is an integer number (9475281).

Almost surely, 290208294 is an apocalyptic number.

90208294 is a deficient number, since it is larger than the sum of its proper divisors (61396202).

90208294 is a wasteful number, since it uses less digits than its factorization.

90208294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110871.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 90208294 is about 9497.8046937174. The cubic root of 90208294 is about 448.4859304062.

The spelling of 90208294 in words is "ninety million, two hundred eight thousand, two hundred ninety-four".

Divisors: 1 2 11 22 37 74 407 814 110821 221642 1219031 2438062 4100377 8200754 45104147 90208294