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115125144 = 23321312251
BaseRepresentation
bin1101101110010…
…10101110011000
322000121222000020
412313022232120
5213433001034
615231310440
72565355551
oct667125630
9260558006
10115125144
1159a92252
123267b420
131ab0b0b4
141140b328
15a191249
hex6dcab98

115125144 has 32 divisors (see below), whose sum is σ = 288075840. Its totient is φ = 38340000.

The previous prime is 115125133. The next prime is 115125211. The reversal of 115125144 is 441521511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50019 + ... + 52269.

It is an arithmetic number, because the mean of its divisors is an integer number (9002370).

Almost surely, 2115125144 is an apocalyptic number.

It is an amenable number.

115125144 is an abundant number, since it is smaller than the sum of its proper divisors (172950696).

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

115125144 is a wasteful number, since it uses less digits than its factorization.

115125144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391 (or 4387 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 115125144 is about 10729.6385773240. The cubic root of 115125144 is about 486.4707457656.

Adding to 115125144 its reverse (441521511), we get a palindrome (556646655).

The spelling of 115125144 in words is "one hundred fifteen million, one hundred twenty-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2131 2251 4262 4502 6393 6753 8524 9004 12786 13506 17048 18008 25572 27012 51144 54024 4796881 9593762 14390643 19187524 28781286 38375048 57562572 115125144