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252750942 = 23411313807
BaseRepresentation
bin11110001000010…
…10110001011110
3122121121002010000
433010022301132
51004201012232
641025155130
76156230133
oct1704126136
9577532100
10252750942
1111a742584
127078baa6
1340496892
14257d458a
15172c927c
hexf10ac5e

252750942 has 40 divisors (see below), whose sum is σ = 571402656. Its totient is φ = 83498688.

The previous prime is 252750923. The next prime is 252750973. The reversal of 252750942 is 249057252.

It is a happy number.

252750942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252750897 and 252750906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11403 + ... + 25209.

Almost surely, 2252750942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252750942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285701328).

252750942 is an abundant number, since it is smaller than the sum of its proper divisors (318651714).

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

252750942 is a wasteful number, since it uses less digits than its factorization.

252750942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13934 (or 13925 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 252750942 is about 15898.1427217144. The cubic root of 252750942 is about 632.2627475974.

The spelling of 252750942 in words is "two hundred fifty-two million, seven hundred fifty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 113 162 226 339 678 1017 2034 3051 6102 9153 13807 18306 27614 41421 82842 124263 248526 372789 745578 1118367 1560191 2236734 3120382 4680573 9361146 14041719 28083438 42125157 84250314 126375471 252750942