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130461370 = 25131003549
BaseRepresentation
bin1111100011010…
…10111010111010
3100002111010100121
413301222322322
5231344230440
620540123454
73142621564
oct761527272
9302433317
10130461370
1167707616
123783658a
132104a7a0
1413480334
15b6c034a
hex7c6aeba

130461370 has 16 divisors (see below), whose sum is σ = 252894600. Its totient is φ = 48170304.

The previous prime is 130461367. The next prime is 130461379. The reversal of 130461370 is 73164031.

It can be written as a sum of positive squares in 4 ways, for example, as 68508729 + 61952641 = 8277^2 + 7871^2 .

It is not an unprimeable number, because it can be changed into a prime (130461379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501645 + ... + 501904.

Almost surely, 2130461370 is an apocalyptic number.

130461370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130461370 is a deficient number, since it is larger than the sum of its proper divisors (122433230).

130461370 is a wasteful number, since it uses less digits than its factorization.

130461370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003569.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 130461370 is about 11421.9687444853. The cubic root of 130461370 is about 507.1782781392.

The spelling of 130461370 in words is "one hundred thirty million, four hundred sixty-one thousand, three hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 1003549 2007098 5017745 10035490 13046137 26092274 65230685 130461370