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53207113 = 283188011
BaseRepresentation
bin1100101011111…
…0000001001001
310201010012102211
43022332001021
5102110111423
65140225121
71214152531
oct312760111
9121105384
1053207113
1128041323
121599b1a1
13b03c0cb
1470d04c1
154a1010d
hex32be049

53207113 has 4 divisors (see below), whose sum is σ = 53395408. Its totient is φ = 53018820.

The previous prime is 53207057. The next prime is 53207117. The reversal of 53207113 is 31170235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53207113 - 213 = 53198921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53207117) 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, 93723 + ... + 94288.

It is an arithmetic number, because the mean of its divisors is an integer number (13348852).

Almost surely, 253207113 is an apocalyptic number.

It is an amenable number.

53207113 is a deficient number, since it is larger than the sum of its proper divisors (188295).

53207113 is a wasteful number, since it uses less digits than its factorization.

53207113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188294.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 53207113 is about 7294.3205989317. The cubic root of 53207113 is about 376.1172322879.

Adding to 53207113 its reverse (31170235), we get a palindrome (84377348).

The spelling of 53207113 in words is "fifty-three million, two hundred seven thousand, one hundred thirteen".

Divisors: 1 283 188011 53207113