Search a number
-
+
51464454 = 2318147389
BaseRepresentation
bin1100010001010…
…0100100000110
310120211122221220
43010110210012
5101133330304
65035021210
71163304066
oct304244406
9116748856
1051464454
1127061008
121529a806
13a87bb52
146b993a6
1547b8ad9
hex3114906

51464454 has 16 divisors (see below), whose sum is σ = 103499760. Its totient is φ = 17059680.

The previous prime is 51464453. The next prime is 51464467. The reversal of 51464454 is 45446415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51464453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22609 + ... + 24780.

It is an arithmetic number, because the mean of its divisors is an integer number (6468735).

Almost surely, 251464454 is an apocalyptic number.

51464454 is an abundant number, since it is smaller than the sum of its proper divisors (52035306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51464454 is a wasteful number, since it uses less digits than its factorization.

51464454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47575.

The product of its digits is 38400, while the sum is 33.

The square root of 51464454 is about 7173.8730125365. The cubic root of 51464454 is about 371.9653251296.

The spelling of 51464454 in words is "fifty-one million, four hundred sixty-four thousand, four hundred fifty-four".

Divisors: 1 2 3 6 181 362 543 1086 47389 94778 142167 284334 8577409 17154818 25732227 51464454