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130343442 = 2321723907
BaseRepresentation
bin1111100010011…
…10001000010010
3100002021010120220
413301032020102
5231331442232
620533413510
73141621015
oct761161022
9302233526
10130343442
1167636a59
123779a296
1321008bc8
141344d37c
15b69a42c
hex7c4e212

130343442 has 8 divisors (see below), whose sum is σ = 260686896. Its totient is φ = 43447812.

The previous prime is 130343419. The next prime is 130343453. The reversal of 130343442 is 244343031.

Adding to 130343442 its reverse (244343031), we get a palindrome (374686473).

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

130343442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10861948 + ... + 10861959.

It is an arithmetic number, because the mean of its divisors is an integer number (32585862).

Almost surely, 2130343442 is an apocalyptic number.

130343442 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.

130343442 is a wasteful number, since it uses less digits than its factorization.

130343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21723912.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 130343442 is about 11416.8052449010. The cubic root of 130343442 is about 507.0254141138.

The spelling of 130343442 in words is "one hundred thirty million, three hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 21723907 43447814 65171721 130343442