Search a number
-
+
130343244 = 22310861937
BaseRepresentation
bin1111100010011…
…10000101001100
3100002021010022120
413301032011030
5231331440434
620533412540
73141620313
oct761160514
9302233276
10130343244
1167636899
123779a150
1321008aa5
141344d27a
15b69a349
hex7c4e14c

130343244 has 12 divisors (see below), whose sum is σ = 304134264. Its totient is φ = 43447744.

The previous prime is 130343243. The next prime is 130343281. The reversal of 130343244 is 442343031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1303432442 = 33978722512887072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130343243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5430957 + ... + 5430980.

It is an arithmetic number, because the mean of its divisors is an integer number (25344522).

Almost surely, 2130343244 is an apocalyptic number.

It is an amenable number.

130343244 is an abundant number, since it is smaller than the sum of its proper divisors (173791020).

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

130343244 is a wasteful number, since it uses less digits than its factorization.

130343244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10861944 (or 10861942 counting only the distinct ones).

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

The square root of 130343244 is about 11416.7965734702. The cubic root of 130343244 is about 507.0251573790.

Adding to 130343244 its reverse (442343031), we get a palindrome (572686275).

The spelling of 130343244 in words is "one hundred thirty million, three hundred forty-three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 10861937 21723874 32585811 43447748 65171622 130343244