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144827564 = 227892653
BaseRepresentation
bin10001010000111…
…10010010101100
3101002112000001212
420220132102230
5244033440224
622212053552
73406004540
oct1050362254
9332460055
10144827564
117482a102
12406042b8
132400a7ab
141533da20
15caabd0e
hex8a1e4ac

144827564 has 36 divisors (see below), whose sum is σ = 293394864. Its totient is φ = 61277568.

The previous prime is 144827531. The next prime is 144827587. The reversal of 144827564 is 465728441.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221462 + ... + 222114.

Almost surely, 2144827564 is an apocalyptic number.

144827564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144827564 is an abundant number, since it is smaller than the sum of its proper divisors (148567300).

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

144827564 is an equidigital number, since it uses as much as digits as its factorization.

144827564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 751 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 144827564 is about 12034.4324336464. The cubic root of 144827564 is about 525.1504500029.

The spelling of 144827564 in words is "one hundred forty-four million, eight hundred twenty-seven thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 89 178 356 623 653 1246 1306 2492 2612 4571 7921 9142 15842 18284 31684 55447 58117 110894 116234 221788 232468 406819 813638 1627276 5172413 10344826 20689652 36206891 72413782 144827564