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130725407 = 731790759
BaseRepresentation
bin1111100101010…
…11011000011111
3100002222112112202
413302223120133
5231431203112
620545522115
73145101431
oct762533037
9302875482
10130725407
1167877a2a
123794333b
1321110a17
141350c651
15b7236c2
hex7cab61f

130725407 has 4 divisors (see below), whose sum is σ = 132516240. Its totient is φ = 128934576.

The previous prime is 130725383. The next prime is 130725409. The reversal of 130725407 is 704527031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130725407 - 28 = 130725151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130725407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130725409) 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 3 ways as a sum of consecutive naturals, for example, 895307 + ... + 895452.

It is an arithmetic number, because the mean of its divisors is an integer number (33129060).

Almost surely, 2130725407 is an apocalyptic number.

130725407 is a deficient number, since it is larger than the sum of its proper divisors (1790833).

130725407 is an equidigital number, since it uses as much as digits as its factorization.

130725407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790832.

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

The square root of 130725407 is about 11433.5211986509. The cubic root of 130725407 is about 507.5202020641.

The spelling of 130725407 in words is "one hundred thirty million, seven hundred twenty-five thousand, four hundred seven".

Divisors: 1 73 1790759 130725407