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252877428 = 22328384631
BaseRepresentation
bin11110001001010…
…01101001110100
3122121211111121200
433010221221310
51004214034203
641032012500
76160264656
oct1704515164
9577744550
10252877428
1111a819611
1270831130
134050c31b
14258286d6
15173019a3
hexf129a74

252877428 has 36 divisors (see below), whose sum is σ = 646927008. Its totient is φ = 83275920.

The previous prime is 252877421. The next prime is 252877519. The reversal of 252877428 is 824778252.

252877428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252877421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39328 + ... + 45303.

Almost surely, 2252877428 is an apocalyptic number.

It is an amenable number.

252877428 is an abundant number, since it is smaller than the sum of its proper divisors (394049580).

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

252877428 is a wasteful number, since it uses less digits than its factorization.

252877428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84724 (or 84719 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 252877428 is about 15902.1202359937. The cubic root of 252877428 is about 632.3681992970.

The spelling of 252877428 in words is "two hundred fifty-two million, eight hundred seventy-seven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 83 166 249 332 498 747 996 1494 2988 84631 169262 253893 338524 507786 761679 1015572 1523358 3046716 7024373 14048746 21073119 28097492 42146238 63219357 84292476 126438714 252877428