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52497065 = 510499413
BaseRepresentation
bin1100100001000…
…0101010101001
310122210010102202
43020100222221
5101414401230
65113105545
71205134445
oct310205251
9118703382
1052497065
11276a6905
12156b82b5
13ab50b6a
146d87825
15491ea45
hex3210aa9

52497065 has 4 divisors (see below), whose sum is σ = 62996484. Its totient is φ = 41997648.

The previous prime is 52497041. The next prime is 52497077. The reversal of 52497065 is 56079425.

It is a happy number.

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 23541904 + 28955161 = 4852^2 + 5381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52497065 is a prime.

It is a super-2 number, since 2×524970652 = 5511883667228450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5249702 + ... + 5249711.

It is an arithmetic number, because the mean of its divisors is an integer number (15749121).

Almost surely, 252497065 is an apocalyptic number.

It is an amenable number.

52497065 is a deficient number, since it is larger than the sum of its proper divisors (10499419).

52497065 is a wasteful number, since it uses less digits than its factorization.

52497065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10499418.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 52497065 is about 7245.4858360223. The cubic root of 52497065 is about 374.4366415038.

The spelling of 52497065 in words is "fifty-two million, four hundred ninety-seven thousand, sixty-five".

Divisors: 1 5 10499413 52497065