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115013232 = 243219127331
BaseRepresentation
bin1101101101011…
…11011001110000
322000102021111100
412312233121300
5213420410412
615225044400
72564411355
oct666573160
9260367440
10115013232
1159a16164
1232626700
131aa9c189
14113bc62c
15a16cedc
hex6daf670

115013232 has 120 divisors (see below), whose sum is σ = 342517760. Its totient is φ = 35925120.

The previous prime is 115013219. The next prime is 115013237. The reversal of 115013232 is 232310511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115013237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347307 + ... + 347637.

Almost surely, 2115013232 is an apocalyptic number.

115013232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115013232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171258880).

115013232 is an abundant number, since it is smaller than the sum of its proper divisors (227504528).

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

115013232 is a wasteful number, since it uses less digits than its factorization.

115013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115013232 is about 10724.4222221992. The cubic root of 115013232 is about 486.3130635468.

Adding to 115013232 its reverse (232310511), we get a palindrome (347323743).

The spelling of 115013232 in words is "one hundred fifteen million, thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 127 144 152 171 228 254 304 331 342 381 456 508 662 684 762 912 993 1016 1143 1324 1368 1524 1986 2032 2286 2413 2648 2736 2979 3048 3972 4572 4826 5296 5958 6096 6289 7239 7944 9144 9652 11916 12578 14478 15888 18288 18867 19304 21717 23832 25156 28956 37734 38608 42037 43434 47664 50312 56601 57912 75468 84074 86868 100624 113202 115824 126111 150936 168148 173736 226404 252222 301872 336296 347472 378333 452808 504444 672592 756666 798703 905616 1008888 1513332 1597406 2017776 2396109 3026664 3194812 4792218 6053328 6389624 7188327 9584436 12779248 14376654 19168872 28753308 38337744 57506616 115013232