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18750364 = 228356477
BaseRepresentation
bin100011110000…
…1101110011100
31022021121122221
41013201232130
514300002424
61505515124
7315242533
oct107415634
938247587
1018750364
11a647476
126342aa4
133b666b9
1426c131a
1519a59e4
hex11e1b9c

18750364 has 12 divisors (see below), whose sum is σ = 33209064. Its totient is φ = 9262064.

The previous prime is 18750349. The next prime is 18750373. The reversal of 18750364 is 46305781.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 27907 + ... + 28570.

It is an arithmetic number, because the mean of its divisors is an integer number (2767422).

Almost surely, 218750364 is an apocalyptic number.

It is an amenable number.

18750364 is a deficient number, since it is larger than the sum of its proper divisors (14458700).

18750364 is a wasteful number, since it uses less digits than its factorization.

18750364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56564 (or 56562 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 18750364 is about 4330.1690498178. The cubic root of 18750364 is about 265.6663614299. Note that the first 3 decimals are identical.

The spelling of 18750364 in words is "eighteen million, seven hundred fifty thousand, three hundred sixty-four".

Divisors: 1 2 4 83 166 332 56477 112954 225908 4687591 9375182 18750364