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90369982 = 2532333659
BaseRepresentation
bin1010110001011…
…10111110111110
320022001021022101
411120232332332
5141113314412
612544535314
72145063223
oct530567676
9208037271
1090369982
114701433a
122632153a
1315951481
14c00594a
157e01457
hex562efbe

90369982 has 16 divisors (see below), whose sum is σ = 138743280. Its totient is φ = 44130112.

The previous prime is 90369973. The next prime is 90369989. The reversal of 90369982 is 28996309.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90369989) 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, 22869 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (8671455).

Almost surely, 290369982 is an apocalyptic number.

90369982 is a deficient number, since it is larger than the sum of its proper divisors (48373298).

90369982 is a wasteful number, since it uses less digits than its factorization.

90369982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 90369982 is about 9506.3127446976. The cubic root of 90369982 is about 448.7537236367.

The spelling of 90369982 in words is "ninety million, three hundred sixty-nine thousand, nine hundred eighty-two".

Divisors: 1 2 53 106 233 466 3659 7318 12349 24698 193927 387854 852547 1705094 45184991 90369982