Search a number
-
+
51234862 = 273798909
BaseRepresentation
bin1100001101110…
…0100000101110
310120102000000111
43003130200232
5101104003422
65030050234
71161326530
oct303344056
9116360014
1051234862
1126a14568
12151a997a
13a7cb4b3
146b39850
154770a77
hex30dc82e

51234862 has 16 divisors (see below), whose sum is σ = 90205920. Its totient is φ = 21364128.

The previous prime is 51234853. The next prime is 51234863. The reversal of 51234862 is 26843215.

It is a super-2 number, since 2×512348622 = 5250022168318088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234863) 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, 48937 + ... + 49972.

It is an arithmetic number, because the mean of its divisors is an integer number (5637870).

Almost surely, 251234862 is an apocalyptic number.

51234862 is a deficient number, since it is larger than the sum of its proper divisors (38971058).

51234862 is a wasteful number, since it uses less digits than its factorization.

51234862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98955.

The product of its digits is 11520, while the sum is 31.

The square root of 51234862 is about 7157.8531697709. The cubic root of 51234862 is about 371.4113662501.

The spelling of 51234862 in words is "fifty-one million, two hundred thirty-four thousand, eight hundred sixty-two".

Divisors: 1 2 7 14 37 74 259 518 98909 197818 692363 1384726 3659633 7319266 25617431 51234862