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16308140 = 2253832129
BaseRepresentation
bin111110001101…
…011110101100
31010200112120012
4332031132230
513133330030
61341312352
7255421412
oct76153654
933615505
1016308140
119229602
1255656b8
1334bcbb4
1422472b2
151672095
hexf8d7ac

16308140 has 24 divisors (see below), whose sum is σ = 34352640. Its totient is φ = 6503168.

The previous prime is 16308133. The next prime is 16308161. The reversal of 16308140 is 4180361.

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, 6596 + ... + 8724.

It is an arithmetic number, because the mean of its divisors is an integer number (1431360).

Almost surely, 216308140 is an apocalyptic number.

16308140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16308140 is an abundant number, since it is smaller than the sum of its proper divisors (18044500).

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

16308140 is a wasteful number, since it uses less digits than its factorization.

16308140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 16308140 is about 4038.3338148301. Note that the first 3 decimals coincide. The cubic root of 16308140 is about 253.5915687803.

The spelling of 16308140 in words is "sixteen million, three hundred eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 383 766 1532 1915 2129 3830 4258 7660 8516 10645 21290 42580 815407 1630814 3261628 4077035 8154070 16308140