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130325044 = 2271458891
BaseRepresentation
bin1111100010010…
…01101000110100
3100002020012100111
413301021220310
5231330400134
620533152404
73141513253
oct761115064
9302205314
10130325044
1167624153
123778b704
1321000715
141344679a
15b694c64
hex7c49a34

130325044 has 12 divisors (see below), whose sum is σ = 231281568. Its totient is φ = 64244600.

The previous prime is 130325033. The next prime is 130325053. The reversal of 130325044 is 440523031.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

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, 229162 + ... + 229729.

It is an arithmetic number, because the mean of its divisors is an integer number (19273464).

Almost surely, 2130325044 is an apocalyptic number.

It is an amenable number.

130325044 is a deficient number, since it is larger than the sum of its proper divisors (100956524).

130325044 is a wasteful number, since it uses less digits than its factorization.

130325044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458966 (or 458964 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 130325044 is about 11415.9994744219. Note that the first 3 decimals coincide. The cubic root of 130325044 is about 507.0015574155.

Adding to 130325044 its reverse (440523031), we get a palindrome (570848075).

The spelling of 130325044 in words is "one hundred thirty million, three hundred twenty-five thousand, forty-four".

Divisors: 1 2 4 71 142 284 458891 917782 1835564 32581261 65162522 130325044