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115390464 = 211372683
BaseRepresentation
bin1101110000010…
…11100000000000
322001010102221220
412320023200000
5214014443324
615241115040
72600542230
oct670134000
9261112856
10115390464
115a153622
1232788a80
131aba1aa7
1411479cc0
15a1e4b79
hex6e0b800

115390464 has 96 divisors (see below), whose sum is σ = 351711360. Its totient is φ = 32956416.

The previous prime is 115390427. The next prime is 115390469. The reversal of 115390464 is 464093511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115390469) 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, 41667 + ... + 44349.

It is an arithmetic number, because the mean of its divisors is an integer number (3663660).

Almost surely, 2115390464 is an apocalyptic number.

115390464 is a gapful number since it is divisible by the number (14) 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 115390464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175855680).

115390464 is an abundant number, since it is smaller than the sum of its proper divisors (236320896).

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

115390464 is an equidigital number, since it uses as much as digits as its factorization.

115390464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 115390464 is about 10741.9953453723. The cubic root of 115390464 is about 486.8441695249.

The spelling of 115390464 in words is "one hundred fifteen million, three hundred ninety thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2048 2683 2688 3072 3584 5366 5376 6144 7168 8049 10732 10752 14336 16098 18781 21464 21504 32196 37562 42928 43008 56343 64392 75124 85856 112686 128784 150248 171712 225372 257568 300496 343424 450744 515136 600992 686848 901488 1030272 1201984 1373696 1802976 2060544 2403968 2747392 3605952 4121088 4807936 5494784 7211904 8242176 9615872 14423808 16484352 19231744 28847616 38463488 57695232 115390464