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18366068 = 227797823
BaseRepresentation
bin100011000001…
…1111001110100
31021120002111202
41012003321310
514200203233
61453352032
7312052250
oct106037164
937502452
1018366068
11a404776
126198618
133a607c6
142621260
15192bbe8
hex1183e74

18366068 has 24 divisors (see below), whose sum is σ = 36822912. Its totient is φ = 7851744.

The previous prime is 18366059. The next prime is 18366071. The reversal of 18366068 is 86066381.

It is a congruent number.

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, 21905 + ... + 22727.

It is an arithmetic number, because the mean of its divisors is an integer number (1534288).

Almost surely, 218366068 is an apocalyptic number.

It is an amenable number.

18366068 is an abundant number, since it is smaller than the sum of its proper divisors (18456844).

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

18366068 is a wasteful number, since it uses less digits than its factorization.

18366068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 18366068 is about 4285.5650735930. The cubic root of 18366068 is about 263.8388402682.

The spelling of 18366068 in words is "eighteen million, three hundred sixty-six thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 797 823 1594 1646 3188 3292 5579 5761 11158 11522 22316 23044 655931 1311862 2623724 4591517 9183034 18366068