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52513805 = 547223463
BaseRepresentation
bin1100100001010…
…0110000001101
310122210222101202
43020110300031
5101420420210
65113315245
71205234321
oct310246015
9118728352
1052513805
1127708443
1215705b25
13ab58676
146d8d981
1549249a5
hex3214c0d

52513805 has 8 divisors (see below), whose sum is σ = 64357632. Its totient is φ = 41117008.

The previous prime is 52513789. The next prime is 52513819. The reversal of 52513805 is 50831525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52513805 - 24 = 52513789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111497 + ... + 111966.

It is an arithmetic number, because the mean of its divisors is an integer number (8044704).

Almost surely, 252513805 is an apocalyptic number.

It is an amenable number.

52513805 is a deficient number, since it is larger than the sum of its proper divisors (11843827).

52513805 is a wasteful number, since it uses less digits than its factorization.

52513805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223515.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 52513805 is about 7246.6409459832. The cubic root of 52513805 is about 374.4764367650.

The spelling of 52513805 in words is "fifty-two million, five hundred thirteen thousand, eight hundred five".

Divisors: 1 5 47 235 223463 1117315 10502761 52513805