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16120680 = 2335134339
BaseRepresentation
bin111101011111…
…101101101000
31010100000102020
4331133231220
513111330210
61333304440
7254011032
oct75375550
933300366
1016120680
119110784
125495120
133455784
1421d8c52
151636770
hexf5fb68

16120680 has 32 divisors (see below), whose sum is σ = 48362400. Its totient is φ = 4298816.

The previous prime is 16120673. The next prime is 16120697. The reversal of 16120680 is 8602161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16120680.

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, 67050 + ... + 67289.

It is an arithmetic number, because the mean of its divisors is an integer number (1511325).

Almost surely, 216120680 is an apocalyptic number.

16120680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16120680 is an abundant number, since it is smaller than the sum of its proper divisors (32241720).

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

16120680 is a wasteful number, since it uses less digits than its factorization.

16120680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134353 (or 134349 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 16120680 is about 4015.0566621157. The cubic root of 16120680 is about 252.6161541204.

The spelling of 16120680 in words is "sixteen million, one hundred twenty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 134339 268678 403017 537356 671695 806034 1074712 1343390 1612068 2015085 2686780 3224136 4030170 5373560 8060340 16120680