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130313226 = 2321718871
BaseRepresentation
bin1111100010001…
…10110000001010
3100002012121010210
413301012300022
5231330010401
620533021550
73141433641
oct761066012
9302177123
10130313226
116761628a
12377848b6
1320cc8224
1413442358
15b6914d6
hex7c46c0a

130313226 has 8 divisors (see below), whose sum is σ = 260626464. Its totient is φ = 43437740.

The previous prime is 130313221. The next prime is 130313251. The reversal of 130313226 is 622313031.

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

130313226 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (130313221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10859430 + ... + 10859441.

It is an arithmetic number, because the mean of its divisors is an integer number (32578308).

Almost surely, 2130313226 is an apocalyptic number.

130313226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130313226 is a wasteful number, since it uses less digits than its factorization.

130313226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21718876.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 130313226 is about 11415.4818557957. The cubic root of 130313226 is about 506.9862318231.

Adding to 130313226 its reverse (622313031), we get a palindrome (752626257).

The spelling of 130313226 in words is "one hundred thirty million, three hundred thirteen thousand, two hundred twenty-six".

Divisors: 1 2 3 6 21718871 43437742 65156613 130313226