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18274996 = 2231293503
BaseRepresentation
bin100010110110…
…1101010110100
31021101110120201
41011231222310
514134244441
61451410244
7311222605
oct105555264
937343521
1018274996
11a352303
126153984
133a2b20c
1425d9dac
15190ec31
hex116dab4

18274996 has 24 divisors (see below), whose sum is σ = 33191424. Its totient is φ = 8795040.

The previous prime is 18274969. The next prime is 18275011. The reversal of 18274996 is 69947281.

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 7 ways as a sum of consecutive naturals, for example, 36081 + ... + 36583.

It is an arithmetic number, because the mean of its divisors is an integer number (1382976).

Almost surely, 218274996 is an apocalyptic number.

It is an amenable number.

18274996 is a deficient number, since it is larger than the sum of its proper divisors (14916428).

18274996 is a wasteful number, since it uses less digits than its factorization.

18274996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 829 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 18274996 is about 4274.9264321155. The cubic root of 18274996 is about 263.4020173703.

The spelling of 18274996 in words is "eighteen million, two hundred seventy-four thousand, nine hundred ninety-six".

Divisors: 1 2 4 31 62 124 293 503 586 1006 1172 2012 9083 15593 18166 31186 36332 62372 147379 294758 589516 4568749 9137498 18274996