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130234544 = 2411739969
BaseRepresentation
bin1111100001100…
…11100010110000
3100002001121012122
413300303202300
5231320001134
620531213412
73140655356
oct760634260
9302047178
10130234544
1167572160
1237747268
1320c9b47b
14134217d6
15b67802e
hex7c338b0

130234544 has 20 divisors (see below), whose sum is σ = 275268840. Its totient is φ = 59197440.

The previous prime is 130234543. The next prime is 130234547. The reversal of 130234544 is 445432031.

It is a super-2 number, since 2×1302345442 = 33922072901775872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130234543) 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, 369809 + ... + 370160.

It is an arithmetic number, because the mean of its divisors is an integer number (13763442).

Almost surely, 2130234544 is an apocalyptic number.

It is an amenable number.

130234544 is an abundant number, since it is smaller than the sum of its proper divisors (145034296).

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

130234544 is a wasteful number, since it uses less digits than its factorization.

130234544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739988 (or 739982 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 130234544 is about 11412.0350507699. The cubic root of 130234544 is about 506.8841733108.

Adding to 130234544 its reverse (445432031), we get a palindrome (575666575).

The spelling of 130234544 in words is "one hundred thirty million, two hundred thirty-four thousand, five hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 739969 1479938 2959876 5919752 8139659 11839504 16279318 32558636 65117272 130234544