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103668920 = 2356733851
BaseRepresentation
bin1100010110111…
…01110010111000
321020001221000122
412023131302320
5203014401140
614141552412
72366112515
oct613356270
9236057018
10103668920
1153577aa3
122a875708
1318629774
14daa830c
15917bab5
hex62ddcb8

103668920 has 32 divisors (see below), whose sum is σ = 233662320. Its totient is φ = 41395200.

The previous prime is 103668911. The next prime is 103668947. The reversal of 103668920 is 29866301.

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, 24995 + ... + 28845.

Almost surely, 2103668920 is an apocalyptic number.

103668920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103668920 is an abundant number, since it is smaller than the sum of its proper divisors (129993400).

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

103668920 is a wasteful number, since it uses less digits than its factorization.

103668920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 103668920 is about 10181.7935551650. The cubic root of 103668920 is about 469.7673814932.

The spelling of 103668920 in words is "one hundred three million, six hundred sixty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 673 1346 2692 3365 3851 5384 6730 7702 13460 15404 19255 26920 30808 38510 77020 154040 2591723 5183446 10366892 12958615 20733784 25917230 51834460 103668920