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144628713 = 3329184711
BaseRepresentation
bin10001001111011…
…01101111101001
3101002010220022000
420213231233221
5244011104323
622203521213
73404216025
oct1047555751
9332126260
10144628713
1174703769
1240529209
1323c6b128
14152cb385
15ca6ce43
hex89edbe9

144628713 has 16 divisors (see below), whose sum is σ = 221654400. Its totient is φ = 93093840.

The previous prime is 144628711. The next prime is 144628723. The reversal of 144628713 is 317826441.

144628713 is a `hidden beast` number, since 14 + 4 + 628 + 7 + 13 = 666.

It is not a de Polignac number, because 144628713 - 21 = 144628711 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144628711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91573 + ... + 93138.

It is an arithmetic number, because the mean of its divisors is an integer number (13853400).

Almost surely, 2144628713 is an apocalyptic number.

It is an amenable number.

144628713 is a deficient number, since it is larger than the sum of its proper divisors (77025687).

144628713 is a wasteful number, since it uses less digits than its factorization.

144628713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184749 (or 184743 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 144628713 is about 12026.1678434986. The cubic root of 144628713 is about 524.9099927331.

The spelling of 144628713 in words is "one hundred forty-four million, six hundred twenty-eight thousand, seven hundred thirteen".

Divisors: 1 3 9 27 29 87 261 783 184711 554133 1662399 4987197 5356619 16069857 48209571 144628713