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51464030 = 2531166013
BaseRepresentation
bin1100010001010…
…0011101011110
310120211122101012
43010110131132
5101133322110
65035015222
71163302622
oct304243536
9116748335
1051464030
1127060762
121529a512
13a87b8b7
146b99182
1547b8905
hex311475e

51464030 has 16 divisors (see below), whose sum is σ = 95624064. Its totient is φ = 19921440.

The previous prime is 51464011. The next prime is 51464033. The reversal of 51464030 is 3046415.

It is a happy number.

51464030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51463987 and 51464005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51464033) 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 7 ways as a sum of consecutive naturals, for example, 82697 + ... + 83316.

It is an arithmetic number, because the mean of its divisors is an integer number (5976504).

Almost surely, 251464030 is an apocalyptic number.

51464030 is a deficient number, since it is larger than the sum of its proper divisors (44160034).

51464030 is a wasteful number, since it uses less digits than its factorization.

51464030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166051.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 51464030 is about 7173.8434607956. The cubic root of 51464030 is about 371.9643036237.

The spelling of 51464030 in words is "fifty-one million, four hundred sixty-four thousand, thirty".

Divisors: 1 2 5 10 31 62 155 310 166013 332026 830065 1660130 5146403 10292806 25732015 51464030