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230124540 = 223514925741
BaseRepresentation
bin11011011011101…
…10101111111100
3121001000112112010
431231312233330
5432402441130
634500211220
75463012012
oct1555665774
9531015463
10230124540
11108998a78
1265099b10
13388a3b89
14227c48b2
151530a0b0
hexdb76bfc

230124540 has 48 divisors (see below), whose sum is σ = 648698400. Its totient is φ = 60952320.

The previous prime is 230124539. The next prime is 230124577. The reversal of 230124540 is 45421032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3931 + ... + 21810.

It is an arithmetic number, because the mean of its divisors is an integer number (13514550).

Almost surely, 2230124540 is an apocalyptic number.

230124540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230124540 is an abundant number, since it is smaller than the sum of its proper divisors (418573860).

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

230124540 is a wasteful number, since it uses less digits than its factorization.

230124540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25902 (or 25900 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 230124540 is about 15169.8562946390. The cubic root of 230124540 is about 612.8031341374.

Adding to 230124540 its reverse (45421032), we get a palindrome (275545572).

The spelling of 230124540 in words is "two hundred thirty million, one hundred twenty-four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 149 298 447 596 745 894 1490 1788 2235 2980 4470 8940 25741 51482 77223 102964 128705 154446 257410 308892 386115 514820 772230 1544460 3835409 7670818 11506227 15341636 19177045 23012454 38354090 46024908 57531135 76708180 115062270 230124540