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18135354 = 2316691811
BaseRepresentation
bin100010100101…
…1100100111010
31021010101000210
41011023210322
514120312404
61444411550
7310101516
oct105134472
937111023
1018135354
11a2673a6
1260a6bb6
1339ac7a3
1425a1146
1518d3689
hex114b93a

18135354 has 16 divisors (see below), whose sum is σ = 36312480. Its totient is φ = 6038160.

The previous prime is 18135347. The next prime is 18135371. The reversal of 18135354 is 45353181.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9109 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (2269530).

Almost surely, 218135354 is an apocalyptic number.

18135354 is an abundant number, since it is smaller than the sum of its proper divisors (18177126).

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

18135354 is a wasteful number, since it uses less digits than its factorization.

18135354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485.

The product of its digits is 7200, while the sum is 30.

The square root of 18135354 is about 4258.5624334980. The cubic root of 18135354 is about 262.7294030906.

The spelling of 18135354 in words is "eighteen million, one hundred thirty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 1669 1811 3338 3622 5007 5433 10014 10866 3022559 6045118 9067677 18135354