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52704709 = 173100277
BaseRepresentation
bin1100100100001…
…1010111000101
310200011200021021
43021003113011
5101443022314
65121351141
71206661021
oct311032705
9120150237
1052704709
1127828912
12157984b1
13abc4525
146ddd381
154961324
hex32435c5

52704709 has 4 divisors (see below), whose sum is σ = 55805004. Its totient is φ = 49604416.

The previous prime is 52704677. The next prime is 52704733. The reversal of 52704709 is 90740725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18948609 + 33756100 = 4353^2 + 5810^2 .

It is a cyclic number.

It is not a de Polignac number, because 52704709 - 25 = 52704677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52704739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550122 + ... + 1550155.

It is an arithmetic number, because the mean of its divisors is an integer number (13951251).

Almost surely, 252704709 is an apocalyptic number.

It is an amenable number.

52704709 is a deficient number, since it is larger than the sum of its proper divisors (3100295).

52704709 is a wasteful number, since it uses less digits than its factorization.

52704709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100294.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 52704709 is about 7259.8008925865. The cubic root of 52704709 is about 374.9296674023.

The spelling of 52704709 in words is "fifty-two million, seven hundred four thousand, seven hundred nine".

Divisors: 1 17 3100277 52704709