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187055764 = 2276680563
BaseRepresentation
bin10110010011000…
…11111010010100
3111000222102021021
423021203322110
5340341241024
630321130524
74430643040
oct1311437224
9430872237
10187055764
1196651845
1252789a44
132c9a45ac
141abb3020
151164dde4
hexb263e94

187055764 has 12 divisors (see below), whose sum is σ = 374111584. Its totient is φ = 80166744.

The previous prime is 187055749. The next prime is 187055797. The reversal of 187055764 is 467550781.

187055764 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

187055764 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 187055764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340254 + ... + 3340309.

Almost surely, 2187055764 is an apocalyptic number.

187055764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

187055764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

187055764 is a wasteful number, since it uses less digits than its factorization.

187055764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680574 (or 6680572 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 187055764 is about 13676.8331129688. The cubic root of 187055764 is about 571.9047431314.

The spelling of 187055764 in words is "one hundred eighty-seven million, fifty-five thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 6680563 13361126 26722252 46763941 93527882 187055764