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130507724 = 2259954469
BaseRepresentation
bin1111100011101…
…10001111001100
3100002120110221102
413301312033030
5231402221344
620541122232
73143203664
oct761661714
9302513842
10130507724
1167739426
1237859378
1321065909
14134931a4
15b6cde4e
hex7c763cc

130507724 has 12 divisors (see below), whose sum is σ = 228774000. Its totient is φ = 65143728.

The previous prime is 130507723. The next prime is 130507733. The reversal of 130507724 is 427705031.

It is not an unprimeable number, because it can be changed into a prime (130507723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24839 + ... + 29630.

It is an arithmetic number, because the mean of its divisors is an integer number (19064500).

Almost surely, 2130507724 is an apocalyptic number.

It is an amenable number.

130507724 is a deficient number, since it is larger than the sum of its proper divisors (98266276).

130507724 is a wasteful number, since it uses less digits than its factorization.

130507724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55072 (or 55070 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 130507724 is about 11423.9977240894. The cubic root of 130507724 is about 507.2383392338.

The spelling of 130507724 in words is "one hundred thirty million, five hundred seven thousand, seven hundred twenty-four".

Divisors: 1 2 4 599 1198 2396 54469 108938 217876 32626931 65253862 130507724