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52730946 = 2339710067
BaseRepresentation
bin1100100100100…
…1110001000010
310200020000021000
43021021301002
5101444342241
65122112430
71210130352
oct311116102
9120200230
1052730946
11278465a4
12157ab716
13ac03458
147008b62
154968eb6
hex3249c42

52730946 has 32 divisors (see below), whose sum is σ = 118399680. Its totient is φ = 17394048.

The previous prime is 52730939. The next prime is 52730959. The reversal of 52730946 is 64903725.

It is a self number, because there is not a number n which added to its sum of digits gives 52730946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (3699990).

Almost surely, 252730946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52730946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59199840).

52730946 is an abundant number, since it is smaller than the sum of its proper divisors (65668734).

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

52730946 is a wasteful number, since it uses less digits than its factorization.

52730946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175 (or 10169 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 52730946 is about 7261.6076732360. The cubic root of 52730946 is about 374.9918718238.

The spelling of 52730946 in words is "fifty-two million, seven hundred thirty thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 97 194 291 582 873 1746 2619 5238 10067 20134 30201 60402 90603 181206 271809 543618 976499 1952998 2929497 5858994 8788491 17576982 26365473 52730946