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90662984 = 2319231393
BaseRepresentation
bin1010110011101…
…10100001001000
320022121011020022
411121312201020
5141202203414
612555120012
72150423366
oct531664110
9208534208
1090662984
11471a4495
1226443008
1315a24949
14c080636
157e5d18e
hex5676848

90662984 has 24 divisors (see below), whose sum is σ = 179416710. Its totient is φ = 42944256.

The previous prime is 90662983. The next prime is 90663017. The reversal of 90662984 is 48926609.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 41242084 = 7030^2 + 6422^2 .

It is not an unprimeable number, because it can be changed into a prime (90662981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12809 + ... + 18584.

Almost surely, 290662984 is an apocalyptic number.

It is an amenable number.

90662984 is a deficient number, since it is larger than the sum of its proper divisors (88753726).

90662984 is a wasteful number, since it uses less digits than its factorization.

90662984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31437 (or 31414 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 90662984 is about 9521.7111907472. The cubic root of 90662984 is about 449.2381908896.

The spelling of 90662984 in words is "ninety million, six hundred sixty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 19 38 76 152 361 722 1444 2888 31393 62786 125572 251144 596467 1192934 2385868 4771736 11332873 22665746 45331492 90662984