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10380920 = 2351123593
BaseRepresentation
bin100111100110…
…011001111000
3201112101221112
4213212121320
510124142140
61010255452
7154144034
oct47463170
921471845
1010380920
115950380
123587588
1321c6074
1415431c4
15da0c65
hex9e6678

10380920 has 32 divisors (see below), whose sum is σ = 25481520. Its totient is φ = 3774720.

The previous prime is 10380907. The next prime is 10380941. The reversal of 10380920 is 2908301.

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, 11357 + ... + 12236.

Almost surely, 210380920 is an apocalyptic number.

10380920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10380920 is an abundant number, since it is smaller than the sum of its proper divisors (15100600).

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

10380920 is a wasteful number, since it uses less digits than its factorization.

10380920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23615 (or 23611 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10380920 is about 3221.9435128506. The cubic root of 10380920 is about 218.1450091523.

The spelling of 10380920 in words is "ten million, three hundred eighty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 23593 47186 94372 117965 188744 235930 259523 471860 519046 943720 1038092 1297615 2076184 2595230 5190460 10380920