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144056187 = 32112132283
BaseRepresentation
bin10001001011000…
…01111101111011
3101001001210221100
420211201331323
5243334244222
622143342443
73366312612
oct1045417573
9331053840
10144056187
1174352600
12402b1a23
1323aca662
14151bc879
15c9a84ac
hex8961f7b

144056187 has 18 divisors (see below), whose sum is σ = 228719036. Its totient is φ = 87306120.

The previous prime is 144056177. The next prime is 144056191. The reversal of 144056187 is 781650441.

It is a happy number.

144056187 is a `hidden beast` number, since 14 + 4 + 0 + 561 + 87 = 666.

It is not a de Polignac number, because 144056187 - 28 = 144055931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144056117) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65053 + ... + 67230.

Almost surely, 2144056187 is an apocalyptic number.

144056187 is a deficient number, since it is larger than the sum of its proper divisors (84662849).

144056187 is a wasteful number, since it uses less digits than its factorization.

144056187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132311 (or 132297 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 144056187 is about 12002.3408966751. The cubic root of 144056187 is about 524.2164420126.

The spelling of 144056187 in words is "one hundred forty-four million, fifty-six thousand, one hundred eighty-seven".

Divisors: 1 3 9 11 33 99 121 363 1089 132283 396849 1190547 1455113 4365339 13096017 16006243 48018729 144056187