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90054232 = 2311256779
BaseRepresentation
bin1010101111000…
…01111001011000
320021110020011221
411113201321120
5141023213412
612534101424
72142306532
oct527417130
9207406157
1090054232
1146919094
12261aa874
1315870838
14bd62852
157d8cb07
hex55e1e58

90054232 has 8 divisors (see below), whose sum is σ = 168851700. Its totient is φ = 45027112.

The previous prime is 90054227. The next prime is 90054241. The reversal of 90054232 is 23245009.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×900542322 = 16219529402219648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90054197 and 90054206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628382 + ... + 5628397.

Almost surely, 290054232 is an apocalyptic number.

It is an amenable number.

90054232 is a deficient number, since it is larger than the sum of its proper divisors (78797468).

90054232 is a wasteful number, since it uses less digits than its factorization.

90054232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256785 (or 11256781 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 90054232 is about 9489.6908274190. The cubic root of 90054232 is about 448.2304697456.

The spelling of 90054232 in words is "ninety million, fifty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11256779 22513558 45027116 90054232