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18679364 = 22112914639
BaseRepresentation
bin100011101000…
…0011001000100
31022011000021022
41013100121010
514240214424
61504210312
7314525534
oct107203104
938130238
1018679364
11a5a90a0
126309998
133b402a2
1426a34c4
15198e95e
hex11d0644

18679364 has 24 divisors (see below), whose sum is σ = 36892800. Its totient is φ = 8197280.

The previous prime is 18679363. The next prime is 18679411. The reversal of 18679364 is 46397681.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18679363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6044 + ... + 8595.

It is an arithmetic number, because the mean of its divisors is an integer number (1537200).

Almost surely, 218679364 is an apocalyptic number.

It is an amenable number.

18679364 is a deficient number, since it is larger than the sum of its proper divisors (18213436).

18679364 is a wasteful number, since it uses less digits than its factorization.

18679364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14683 (or 14681 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 18679364 is about 4321.9629799433. The cubic root of 18679364 is about 265.3306138175.

The spelling of 18679364 in words is "eighteen million, six hundred seventy-nine thousand, three hundred sixty-four".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 14639 29278 58556 161029 322058 424531 644116 849062 1698124 4669841 9339682 18679364