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16140080 = 2451118341
BaseRepresentation
bin111101100100…
…011100110000
31010101000000202
4331210130300
513112440310
61333534332
7254121425
oct75443460
933330022
1016140080
119124310
1254a43a8
133461558
142201d4c
15163c3a5
hexf64730

16140080 has 40 divisors (see below), whose sum is σ = 40939344. Its totient is φ = 5868800.

The previous prime is 16140079. The next prime is 16140133. The reversal of 16140080 is 8004161.

16140080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 9.

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, 8291 + ... + 10050.

Almost surely, 216140080 is an apocalyptic number.

16140080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16140080 is an abundant number, since it is smaller than the sum of its proper divisors (24799264).

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

16140080 is a wasteful number, since it uses less digits than its factorization.

16140080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365 (or 18359 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 16140080 is about 4017.4718418428. The cubic root of 16140080 is about 252.7174482099.

The spelling of 16140080 in words is "sixteen million, one hundred forty thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 18341 36682 73364 91705 146728 183410 201751 293456 366820 403502 733640 807004 1008755 1467280 1614008 2017510 3228016 4035020 8070040 16140080