Search a number
-
+
51474488 = 23134631069
BaseRepresentation
bin1100010001011…
…1000000111000
310120212011201112
43010113000320
5101134140423
65035135452
71163345252
oct304270070
9116764645
1051474488
11270685aa
12152a4588
13a8835a0
146b9ccd2
1547bba78
hex3117038

51474488 has 32 divisors (see below), whose sum is σ = 104260800. Its totient is φ = 23683968.

The previous prime is 51474481. The next prime is 51474499. The reversal of 51474488 is 88447415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51474481) 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, 47618 + ... + 48686.

It is an arithmetic number, because the mean of its divisors is an integer number (3258150).

Almost surely, 251474488 is an apocalyptic number.

It is an amenable number.

51474488 is an abundant number, since it is smaller than the sum of its proper divisors (52786312).

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

51474488 is a wasteful number, since it uses less digits than its factorization.

51474488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1547 counting only the distinct ones).

The product of its digits is 143360, while the sum is 41.

The square root of 51474488 is about 7174.5723217485. The cubic root of 51474488 is about 371.9894975260.

The spelling of 51474488 in words is "fifty-one million, four hundred seventy-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 463 926 1069 1852 2138 3704 4276 6019 8552 12038 13897 24076 27794 48152 55588 111176 494947 989894 1979788 3959576 6434311 12868622 25737244 51474488