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125730039 = 343995467
BaseRepresentation
bin1110111111001…
…11110011110111
322202120202012010
413133213303313
5224141330124
620250455303
73054454611
oct737476367
9282522163
10125730039
1164a75926
1236134533
1320082096
14129abdb1
15b088529
hex77e7cf7

125730039 has 8 divisors (see below), whose sum is σ = 168023680. Its totient is φ = 83628216.

The previous prime is 125730037. The next prime is 125730041. The reversal of 125730039 is 930037521.

It is an interprime number because it is at equal distance from previous prime (125730037) and next prime (125730041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125730039 - 21 = 125730037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125729988 and 125730015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125730037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46417 + ... + 49050.

It is an arithmetic number, because the mean of its divisors is an integer number (21002960).

Almost surely, 2125730039 is an apocalyptic number.

125730039 is a deficient number, since it is larger than the sum of its proper divisors (42293641).

125730039 is an equidigital number, since it uses as much as digits as its factorization.

125730039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95909.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 125730039 is about 11212.9406936807. The cubic root of 125730039 is about 500.9714964999.

The spelling of 125730039 in words is "one hundred twenty-five million, seven hundred thirty thousand, thirty-nine".

Divisors: 1 3 439 1317 95467 286401 41910013 125730039