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18964060 = 2258871069
BaseRepresentation
bin100100001010…
…1111001011100
31022200110210121
41020111321130
514323322220
61514244324
7320122543
oct110257134
938613717
1018964060
11a782a85
1264266a4
133c0ca4b
14273915a
1519e8eaa
hex1215e5c

18964060 has 24 divisors (see below), whose sum is σ = 39906720. Its totient is φ = 7569984.

The previous prime is 18964039. The next prime is 18964067. The reversal of 18964060 is 6046981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18964067) 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, 17206 + ... + 18274.

It is an arithmetic number, because the mean of its divisors is an integer number (1662780).

Almost surely, 218964060 is an apocalyptic number.

18964060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18964060 is an abundant number, since it is smaller than the sum of its proper divisors (20942660).

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

18964060 is a wasteful number, since it uses less digits than its factorization.

18964060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 18964060 is about 4354.7743914008. The cubic root of 18964060 is about 266.6718089286.

The spelling of 18964060 in words is "eighteen million, nine hundred sixty-four thousand, sixty".

Divisors: 1 2 4 5 10 20 887 1069 1774 2138 3548 4276 4435 5345 8870 10690 17740 21380 948203 1896406 3792812 4741015 9482030 18964060