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51310153 = 56599067
BaseRepresentation
bin1100001110111…
…0111001001001
310120112211022001
43003232321021
5101113411103
65031431001
71162062166
oct303567111
9116484261
1051310153
1126a66094
1215225461
13a82684b
146b5906d
15478801d
hex30eee49

51310153 has 4 divisors (see below), whose sum is σ = 51324880. Its totient is φ = 51295428.

The previous prime is 51310151. The next prime is 51310163. The reversal of 51310153 is 35101315.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51310153 - 21 = 51310151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51310153.

It is not an unprimeable number, because it can be changed into a prime (51310151) 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, 1126 + ... + 10192.

It is an arithmetic number, because the mean of its divisors is an integer number (12831220).

Almost surely, 251310153 is an apocalyptic number.

It is an amenable number.

51310153 is a deficient number, since it is larger than the sum of its proper divisors (14727).

51310153 is an equidigital number, since it uses as much as digits as its factorization.

51310153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14726.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 51310153 is about 7163.1105673443. The cubic root of 51310153 is about 371.5932101831.

Adding to 51310153 its reverse (35101315), we get a palindrome (86411468).

The spelling of 51310153 in words is "fifty-one million, three hundred ten thousand, one hundred fifty-three".

Divisors: 1 5659 9067 51310153