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51360164 = 2234737003
BaseRepresentation
bin1100001111101…
…1000110100100
310120122100220022
43003323012210
5101122011124
65032454312
71162361042
oct303730644
9116570808
1051360164
1126a9a719
121524a398
13a84353b
146b6d392
154797c5e
hex30fb1a4

51360164 has 12 divisors (see below), whose sum is σ = 90141744. Its totient is φ = 25605384.

The previous prime is 51360161. The next prime is 51360187. The reversal of 51360164 is 46106315.

51360164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×513601642 = 5275732892213792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51360161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17114 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (7511812).

Almost surely, 251360164 is an apocalyptic number.

It is an amenable number.

51360164 is a deficient number, since it is larger than the sum of its proper divisors (38781580).

51360164 is a wasteful number, since it uses less digits than its factorization.

51360164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37354 (or 37352 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51360164 is about 7166.6005888427. The cubic root of 51360164 is about 371.7138991856.

Adding to 51360164 its reverse (46106315), we get a palindrome (97466479).

The spelling of 51360164 in words is "fifty-one million, three hundred sixty thousand, one hundred sixty-four".

Divisors: 1 2 4 347 694 1388 37003 74006 148012 12840041 25680082 51360164