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115125216 = 2535572153
BaseRepresentation
bin1101101110010…
…10101111100000
322000121222002220
412313022233200
5213433001331
615231311040
72565356013
oct667125740
9260558086
10115125216
1159a92308
123267b480
131ab0b13b
141140b37a
15a191296
hex6dcabe0

115125216 has 48 divisors (see below), whose sum is σ = 302886864. Its totient is φ = 38288384.

The previous prime is 115125211. The next prime is 115125223. The reversal of 115125216 is 612521511.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115125211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52396 + ... + 54548.

It is an arithmetic number, because the mean of its divisors is an integer number (6310143).

Almost surely, 2115125216 is an apocalyptic number.

115125216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115125216 is an abundant number, since it is smaller than the sum of its proper divisors (187761648).

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

115125216 is a wasteful number, since it uses less digits than its factorization.

115125216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2715 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 115125216 is about 10729.6419325157. The cubic root of 115125216 is about 486.4708471796.

Adding to 115125216 its reverse (612521511), we get a palindrome (727646727).

The spelling of 115125216 in words is "one hundred fifteen million, one hundred twenty-five thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 557 1114 1671 2153 2228 3342 4306 4456 6459 6684 8612 8912 12918 13368 17224 17824 25836 26736 34448 51672 53472 68896 103344 206688 1199221 2398442 3597663 4796884 7195326 9593768 14390652 19187536 28781304 38375072 57562608 115125216