[go: up one dir, main page]

Search a number
-
+
51744952 = 2373141727
BaseRepresentation
bin1100010101100…
…1000010111000
310121100220201201
43011121002320
5101221314302
65045023544
71165552630
oct305310270
9117326651
1051744952
1127232826
12153b4bb4
13a94971c
146c2d6c0
154821c87
hex31590b8

51744952 has 64 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 20908800.

The previous prime is 51744949. The next prime is 51744967. The reversal of 51744952 is 25944715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70813 + ... + 71539.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 251744952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51744952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58705920).

51744952 is an abundant number, since it is smaller than the sum of its proper divisors (65666888).

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

51744952 is a wasteful number, since it uses less digits than its factorization.

51744952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 808 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 51744952 is about 7193.3964161584. The cubic root of 51744952 is about 372.6398784014.

The spelling of 51744952 in words is "fifty-one million, seven hundred forty-four thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 31 41 56 62 82 124 164 217 248 287 328 434 574 727 868 1148 1271 1454 1736 2296 2542 2908 5084 5089 5816 8897 10168 10178 17794 20356 22537 29807 35588 40712 45074 59614 71176 90148 119228 157759 180296 208649 238456 315518 417298 631036 834596 924017 1262072 1669192 1848034 3696068 6468119 7392136 12936238 25872476 51744952