Search a number
-
+
57130024 = 2373132909
BaseRepresentation
bin1101100111101…
…1110000101000
310222111111122211
43121323300220
5104111130044
65400254504
71262411560
oct331736050
9128444584
1057130024
112a2806a6
1217171434
13bab3863
147831da0
155037634
hex367bc28

57130024 has 32 divisors (see below), whose sum is σ = 126374400. Its totient is φ = 23693760.

The previous prime is 57130009. The next prime is 57130103. The reversal of 57130024 is 42003175.

It is a junction number, because it is equal to n+sod(n) for n = 57129977 and 57130004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14719 + ... + 18190.

It is an arithmetic number, because the mean of its divisors is an integer number (3949200).

Almost surely, 257130024 is an apocalyptic number.

It is an amenable number.

57130024 is an abundant number, since it is smaller than the sum of its proper divisors (69244376).

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

57130024 is a wasteful number, since it uses less digits than its factorization.

57130024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32953 (or 32949 counting only the distinct ones).

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

The square root of 57130024 is about 7558.4405799080. The cubic root of 57130024 is about 385.1425210243.

Adding to 57130024 its reverse (42003175), we get a palindrome (99133199).

The spelling of 57130024 in words is "fifty-seven million, one hundred thirty thousand, twenty-four".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 32909 65818 131636 230363 263272 460726 921452 1020179 1842904 2040358 4080716 7141253 8161432 14282506 28565012 57130024