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130307226 = 23719715749
BaseRepresentation
bin1111100010001…
…01010010011010
3100002012021220120
413301011102122
5231324312401
620532534110
73141410310
oct761052232
9302167816
10130307226
1167611825
1237781336
1320cc558a
14134400b0
15b68e836
hex7c4549a

130307226 has 32 divisors (see below), whose sum is σ = 299376000. Its totient is φ = 37039296.

The previous prime is 130307209. The next prime is 130307239. The reversal of 130307226 is 622703031.

It is a junction number, because it is equal to n+sod(n) for n = 130307196 and 130307205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (9355500).

Almost surely, 2130307226 is an apocalyptic number.

130307226 is an abundant number, since it is smaller than the sum of its proper divisors (169068774).

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

130307226 is a wasteful number, since it uses less digits than its factorization.

130307226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15958.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 130307226 is about 11415.2190517747. The cubic root of 130307226 is about 506.9784506634.

The spelling of 130307226 in words is "one hundred thirty million, three hundred seven thousand, two hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 197 394 591 1182 1379 2758 4137 8274 15749 31498 47247 94494 110243 220486 330729 661458 3102553 6205106 9307659 18615318 21717871 43435742 65153613 130307226