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130172253 = 3374128603
BaseRepresentation
bin1111100001001…
…00010101011101
3100001221102202120
413300210111131
5231311003003
620530013153
73140305641
oct760442535
9301842676
10130172253
116752a382
12377171b9
1320c79003
1413406c21
15b664853
hex7c2455d

130172253 has 16 divisors (see below), whose sum is σ = 182607936. Its totient is φ = 82373760.

The previous prime is 130172239. The next prime is 130172261. The reversal of 130172253 is 352271031.

It is not a de Polignac number, because 130172253 - 25 = 130172221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130172153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9751 + ... + 18852.

It is an arithmetic number, because the mean of its divisors is an integer number (11412996).

Almost surely, 2130172253 is an apocalyptic number.

It is an amenable number.

130172253 is a deficient number, since it is larger than the sum of its proper divisors (52435683).

130172253 is a wasteful number, since it uses less digits than its factorization.

130172253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28684.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 130172253 is about 11409.3055441600. The cubic root of 130172253 is about 506.8033464262.

The spelling of 130172253 in words is "one hundred thirty million, one hundred seventy-two thousand, two hundred fifty-three".

Divisors: 1 3 37 41 111 123 1517 4551 28603 85809 1058311 1172723 3174933 3518169 43390751 130172253