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130804794 = 2347191123
BaseRepresentation
bin1111100101111…
…10110000111010
3100010010120110000
413302332300322
5231441223134
620551333430
73145552041
oct762766072
9303116400
10130804794
116792163a
1237981276
132113abb3
141352d558
15b73be99
hex7cbec3a

130804794 has 40 divisors (see below), whose sum is σ = 293768640. Its totient is φ = 43502184.

The previous prime is 130804789. The next prime is 130804799. The reversal of 130804794 is 497408031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130804789) and next prime (130804799).

It is not an unprimeable number, because it can be changed into a prime (130804799) 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 19 ways as a sum of consecutive naturals, for example, 115917 + ... + 117039.

It is an arithmetic number, because the mean of its divisors is an integer number (7344216).

Almost surely, 2130804794 is an apocalyptic number.

130804794 is an abundant number, since it is smaller than the sum of its proper divisors (162963846).

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

130804794 is a wasteful number, since it uses less digits than its factorization.

130804794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 130804794 is about 11436.9923493898. The cubic root of 130804794 is about 507.6229169943.

The spelling of 130804794 in words is "one hundred thirty million, eight hundred four thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 719 1123 1438 2157 2246 3369 4314 6471 6738 10107 12942 19413 20214 30321 38826 58239 60642 90963 116478 181926 807437 1614874 2422311 4844622 7266933 14533866 21800799 43601598 65402397 130804794