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16140488 = 2371322171
BaseRepresentation
bin111101100100…
…100011001000
31010101000120212
4331210203020
513112443423
61333540252
7254122550
oct75444310
933330525
1016140488
119124651
1254a4688
1334617b0
142202160
15163c578
hexf648c8

16140488 has 32 divisors (see below), whose sum is σ = 37248960. Its totient is φ = 6384960.

The previous prime is 16140479. The next prime is 16140521. The reversal of 16140488 is 88404161.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10358 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (1164030).

Almost surely, 216140488 is an apocalyptic number.

It is an amenable number.

16140488 is an abundant number, since it is smaller than the sum of its proper divisors (21108472).

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

16140488 is a wasteful number, since it uses less digits than its factorization.

16140488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22197 (or 22193 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 16140488 is about 4017.5226197247. The cubic root of 16140488 is about 252.7195776469.

The spelling of 16140488 in words is "sixteen million, one hundred forty thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 22171 44342 88684 155197 177368 288223 310394 576446 620788 1152892 1241576 2017561 2305784 4035122 8070244 16140488