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52070699 = 71972421
BaseRepresentation
bin1100011010100…
…0100100101011
310121222110120102
43012220210223
5101312230244
65100020015
71201410422
oct306504453
9117873512
1052070699
112743553a
121553160b
13aa31a85
146cb62b9
15488854e
hex31a892b

52070699 has 4 divisors (see below), whose sum is σ = 52143840. Its totient is φ = 51997560.

The previous prime is 52070687. The next prime is 52070713. The reversal of 52070699 is 99607025.

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

It is a cyclic number.

It is not a de Polignac number, because 52070699 - 28 = 52070443 is a prime.

It is a super-2 number, since 2×520706992 = 5422715388697202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52070639) 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, 35492 + ... + 36929.

It is an arithmetic number, because the mean of its divisors is an integer number (13035960).

Almost surely, 252070699 is an apocalyptic number.

52070699 is a deficient number, since it is larger than the sum of its proper divisors (73141).

52070699 is an equidigital number, since it uses as much as digits as its factorization.

52070699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73140.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 52070699 is about 7216.0029794894. The cubic root of 52070699 is about 373.4201960050.

The spelling of 52070699 in words is "fifty-two million, seventy thousand, six hundred ninety-nine".

Divisors: 1 719 72421 52070699