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115512552 = 233217194967
BaseRepresentation
bin1101110001010…
…01010011101000
322001100122102200
412320221103220
5214032400202
615243500200
72601561201
oct670512350
9261318380
10115512552
115a227321
1232827660
131ac1552c
14114ac5a8
15a21ae1c
hex6e294e8

115512552 has 96 divisors (see below), whose sum is σ = 348753600. Its totient is φ = 34324992.

The previous prime is 115512517. The next prime is 115512559. The reversal of 115512552 is 255215511.

It is not an unprimeable number, because it can be changed into a prime (115512559) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20773 + ... + 25739.

It is an arithmetic number, because the mean of its divisors is an integer number (3632850).

Almost surely, 2115512552 is an apocalyptic number.

115512552 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 115512552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174376800).

115512552 is an abundant number, since it is smaller than the sum of its proper divisors (233241048).

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

115512552 is a wasteful number, since it uses less digits than its factorization.

115512552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 5008 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 115512552 is about 10747.6765861278. The cubic root of 115512552 is about 487.0158095912.

The spelling of 115512552 in words is "one hundred fifteen million, five hundred twelve thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 17 18 19 24 34 36 38 51 57 68 72 76 102 114 136 152 153 171 204 228 306 323 342 408 456 612 646 684 969 1224 1292 1368 1938 2584 2907 3876 4967 5814 7752 9934 11628 14901 19868 23256 29802 39736 44703 59604 84439 89406 94373 119208 168878 178812 188746 253317 283119 337756 357624 377492 506634 566238 675512 754984 759951 849357 1013268 1132476 1519902 1604341 1698714 2026536 2264952 3039804 3208682 3397428 4813023 6079608 6417364 6794856 9626046 12834728 14439069 19252092 28878138 38504184 57756276 115512552