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113072830 = 25132232909
BaseRepresentation
bin1101011110101…
…01101010111110
321212202200202121
412233111222332
5212421312310
615115313154
72542050253
oct657255276
9255680677
10113072830
1158910322
1231a4b7ba
131a56cc00
141103542a
159dd80da
hex6bd5abe

113072830 has 48 divisors (see below), whose sum is σ = 230052960. Its totient is φ = 39921024.

The previous prime is 113072821. The next prime is 113072837. The reversal of 113072830 is 38270311.

It is a junction number, because it is equal to n+sod(n) for n = 113072795 and 113072804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113072837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37416 + ... + 40324.

It is an arithmetic number, because the mean of its divisors is an integer number (4792770).

Almost surely, 2113072830 is an apocalyptic number.

113072830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113072830 is an abundant number, since it is smaller than the sum of its proper divisors (116980130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113072830 is a wasteful number, since it uses less digits than its factorization.

113072830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 113072830 is about 10633.5708959879. The cubic root of 113072830 is about 483.5626556124.

The spelling of 113072830 in words is "one hundred thirteen million, seventy-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 169 230 299 338 598 845 1495 1690 2909 2990 3887 5818 7774 14545 19435 29090 37817 38870 66907 75634 133814 189085 334535 378170 491621 669070 869791 983242 1739582 2458105 4348955 4916210 8697910 11307283 22614566 56536415 113072830