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50130724 = 22722511019
BaseRepresentation
bin1011111100111…
…0111100100100
310111022220102111
42333032330210
5100313140344
64550250404
71146050500
oct277167444
9114286374
1050130724
112632aa56
1214956a04
13a502a67
14692d300
154603834
hex2fcef24

50130724 has 36 divisors (see below), whose sum is σ = 102558960. Its totient is φ = 21378000.

The previous prime is 50130719. The next prime is 50130761. The reversal of 50130724 is 42703105.

It is a junction number, because it is equal to n+sod(n) for n = 50130695 and 50130704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48687 + ... + 49705.

It is an arithmetic number, because the mean of its divisors is an integer number (2848860).

Almost surely, 250130724 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 50130724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51279480).

50130724 is an abundant number, since it is smaller than the sum of its proper divisors (52428236).

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

50130724 is a wasteful number, since it uses less digits than its factorization.

50130724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 50130724 is about 7080.3053606465. The cubic root of 50130724 is about 368.7239313564.

Adding to 50130724 its reverse (42703105), we get a palindrome (92833829).

The spelling of 50130724 in words is "fifty million, one hundred thirty thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 251 502 1004 1019 1757 2038 3514 4076 7028 7133 12299 14266 24598 28532 49196 49931 99862 199724 255769 511538 1023076 1790383 3580766 7161532 12532681 25065362 50130724