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18054532 = 2216327691
BaseRepresentation
bin100010011011…
…1110110000100
31020222021011101
41010313312010
514110221112
61442545444
7306314056
oct104676604
936867141
1018054532
11a211701
126068284
133981a72
14257d8d6
1518b9757
hex1137d84

18054532 has 12 divisors (see below), whose sum is σ = 31790416. Its totient is φ = 8971560.

The previous prime is 18054521. The next prime is 18054577. The reversal of 18054532 is 23545081.

It is a super-2 number, since 2×180545322 = 651932251478048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18054532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13194 + ... + 14497.

Almost surely, 218054532 is an apocalyptic number.

It is an amenable number.

18054532 is a deficient number, since it is larger than the sum of its proper divisors (13735884).

18054532 is a wasteful number, since it uses less digits than its factorization.

18054532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27858 (or 27856 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 18054532 is about 4249.0624848312. The cubic root of 18054532 is about 262.3385286614.

The spelling of 18054532 in words is "eighteen million, fifty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 163 326 652 27691 55382 110764 4513633 9027266 18054532