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18952060 = 225947603
BaseRepresentation
bin100100001001…
…0111101111100
31022122212100011
41020102331330
514322431220
61514113004
7320042551
oct110227574
938585304
1018952060
11a774a66
12641b764
133c0744a
142734a28
1519e565a
hex1212f7c

18952060 has 12 divisors (see below), whose sum is σ = 39799368. Its totient is φ = 7580816.

The previous prime is 18952049. The next prime is 18952079. The reversal of 18952060 is 6025981.

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 3 ways as a sum of consecutive naturals, for example, 473782 + ... + 473821.

It is an arithmetic number, because the mean of its divisors is an integer number (3316614).

Almost surely, 218952060 is an apocalyptic number.

18952060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18952060 is an abundant number, since it is smaller than the sum of its proper divisors (20847308).

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

18952060 is a wasteful number, since it uses less digits than its factorization.

18952060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947612 (or 947610 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 18952060 is about 4353.3963752454. The cubic root of 18952060 is about 266.6155492297.

The spelling of 18952060 in words is "eighteen million, nine hundred fifty-two thousand, sixty".

Divisors: 1 2 4 5 10 20 947603 1895206 3790412 4738015 9476030 18952060