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115481952 = 253217103229
BaseRepresentation
bin1101110001000…
…01110101100000
322001022002110100
412320201311200
5214030410302
615243102400
72601403035
oct670416540
9261262410
10115481952
115a206333
1232811a00
131ac04621
14114a138c
15a211d1c
hex6e21d60

115481952 has 144 divisors (see below), whose sum is σ = 352628640. Its totient is φ = 35721216.

The previous prime is 115481929. The next prime is 115481957. The reversal of 115481952 is 259184511.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115481957) 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, 504174 + ... + 504402.

It is an arithmetic number, because the mean of its divisors is an integer number (2448810).

Almost surely, 2115481952 is an apocalyptic number.

115481952 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 115481952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176314320).

115481952 is an abundant number, since it is smaller than the sum of its proper divisors (237146688).

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

115481952 is a wasteful number, since it uses less digits than its factorization.

115481952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 354 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 115481952 is about 10746.2529283467. The cubic root of 115481952 is about 486.9728012784.

The spelling of 115481952 in words is "one hundred fifteen million, four hundred eighty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 103 136 144 153 204 206 229 272 288 306 309 408 412 458 544 612 618 687 816 824 916 927 1224 1236 1374 1632 1648 1751 1832 1854 2061 2448 2472 2748 3296 3502 3664 3708 3893 4122 4896 4944 5253 5496 7004 7328 7416 7786 8244 9888 10506 10992 11679 14008 14832 15572 15759 16488 21012 21984 23358 23587 28016 29664 31144 31518 32976 35037 42024 46716 47174 56032 62288 63036 65952 70074 70761 84048 93432 94348 124576 126072 140148 141522 168096 186864 188696 212283 252144 280296 283044 373728 377392 400979 424566 504288 560592 566088 754784 801958 849132 1121184 1132176 1202937 1603916 1698264 2264352 2405874 3207832 3396528 3608811 4811748 6415664 6793056 7217622 9623496 12831328 14435244 19246992 28870488 38493984 57740976 115481952