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130603479 = 3113385261
BaseRepresentation
bin1111100100011…
…01100111010111
3100002202100021220
413302031213113
5231413302404
620543141423
73144053106
oct762154727
9302670256
10130603479
11677a4366
12378a4873
132109a386
14134ba03d
15b6ec4d9
hex7c8d9d7

130603479 has 8 divisors (see below), whose sum is σ = 175679472. Its totient is φ = 86298240.

The previous prime is 130603477. The next prime is 130603483. The reversal of 130603479 is 974306031.

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

It is not a de Polignac number, because 130603479 - 21 = 130603477 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130603477) 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 7 ways as a sum of consecutive naturals, for example, 192292 + ... + 192969.

It is an arithmetic number, because the mean of its divisors is an integer number (21959934).

Almost surely, 2130603479 is an apocalyptic number.

130603479 is a deficient number, since it is larger than the sum of its proper divisors (45075993).

130603479 is a wasteful number, since it uses less digits than its factorization.

130603479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385377.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 130603479 is about 11428.1879141008. The cubic root of 130603479 is about 507.3623644169.

The spelling of 130603479 in words is "one hundred thirty million, six hundred three thousand, four hundred seventy-nine".

Divisors: 1 3 113 339 385261 1155783 43534493 130603479