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51368795 = 510273759
BaseRepresentation
bin1100001111110…
…1001101011011
310120122210201222
43003331031123
5101122300140
65033002255
71162425152
oct303751533
9116583658
1051368795
1126aa6155
121525338b
13a84744a
146b72599
15479a5b5
hex30fd35b

51368795 has 4 divisors (see below), whose sum is σ = 61642560. Its totient is φ = 41095032.

The previous prime is 51368749. The next prime is 51368797. The reversal of 51368795 is 59786315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51368795 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51368797) 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, 5136875 + ... + 5136884.

It is an arithmetic number, because the mean of its divisors is an integer number (15410640).

Almost surely, 251368795 is an apocalyptic number.

51368795 is a deficient number, since it is larger than the sum of its proper divisors (10273765).

51368795 is a wasteful number, since it uses less digits than its factorization.

51368795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273764.

The product of its digits is 226800, while the sum is 44.

The square root of 51368795 is about 7167.2027318892. The cubic root of 51368795 is about 371.7347200107.

It can be divided in two parts, 5136 and 8795, that added together give a palindrome (13931).

The spelling of 51368795 in words is "fifty-one million, three hundred sixty-eight thousand, seven hundred ninety-five".

Divisors: 1 5 10273759 51368795