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52147704 = 23371719312
BaseRepresentation
bin1100011011101…
…1010111111000
310122010101012110
43012323113320
5101322211304
65101412320
71202151060
oct306732770
9118111173
1052147704
1127488384
121556a0a0
13aa5ab3b
146cd63a0
1548a1289
hex31bb5f8

52147704 has 192 divisors, whose sum is σ = 171590400. Its totient is φ = 12856320.

The previous prime is 52147679. The next prime is 52147709. The reversal of 52147704 is 40774125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52147709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1682169 + ... + 1682199.

It is an arithmetic number, because the mean of its divisors is an integer number (893700).

Almost surely, 252147704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52147704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85795200).

52147704 is an abundant number, since it is smaller than the sum of its proper divisors (119442696).

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

52147704 is a wasteful number, since it uses less digits than its factorization.

52147704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 52147704 is about 7221.3367183645. The cubic root of 52147704 is about 373.6041834134.

The spelling of 52147704 in words is "fifty-two million, one hundred forty-seven thousand, seven hundred four".