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90984132 = 22323181527
BaseRepresentation
bin1010110110001…
…00111011000100
320100012110202200
411123010323010
5141242443012
613010034500
72153231601
oct533047304
9210173680
1090984132
11473a37a8
1226578a30
1315b07b85
14c1256a8
157ec33dc
hex56c4ec4

90984132 has 36 divisors (see below), whose sum is σ = 237409536. Its totient is φ = 29349360.

The previous prime is 90984121. The next prime is 90984203. The reversal of 90984132 is 23148909.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×909841322 = 16556224551586848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39648 + ... + 41879.

Almost surely, 290984132 is an apocalyptic number.

It is an amenable number.

90984132 is an abundant number, since it is smaller than the sum of its proper divisors (146425404).

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

90984132 is a wasteful number, since it uses less digits than its factorization.

90984132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81568 (or 81563 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 90984132 is about 9538.5602687198. The cubic root of 90984132 is about 449.7679989291.

The spelling of 90984132 in words is "ninety million, nine hundred eighty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 81527 163054 244581 326108 489162 733743 978324 1467486 2527337 2934972 5054674 7582011 10109348 15164022 22746033 30328044 45492066 90984132