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115346840 = 23572317911
BaseRepresentation
bin1101110000000…
…00110110011000
322001001020010012
412320000312120
5214012044330
615240141052
72600301110
oct670006630
9261036105
10115346840
115a123874
1232767788
131ab87c8b
1411468040
15a1d6c95
hex6e00d98

115346840 has 64 divisors (see below), whose sum is σ = 309519360. Its totient is φ = 37825920.

The previous prime is 115346837. The next prime is 115346851. The reversal of 115346840 is 48643511.

It is a junction number, because it is equal to n+sod(n) for n = 115346797 and 115346806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2516 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (4836240).

Almost surely, 2115346840 is an apocalyptic number.

115346840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115346840 is an abundant number, since it is smaller than the sum of its proper divisors (194172520).

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

115346840 is a wasteful number, since it uses less digits than its factorization.

115346840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17952 (or 17948 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 115346840 is about 10739.9646181913. The cubic root of 115346840 is about 486.7828104192.

The spelling of 115346840 in words is "one hundred fifteen million, three hundred forty-six thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 280 322 460 644 805 920 1288 1610 3220 6440 17911 35822 71644 89555 125377 143288 179110 250754 358220 411953 501508 626885 716440 823906 1003016 1253770 1647812 2059765 2507540 2883671 3295624 4119530 5015080 5767342 8239060 11534684 14418355 16478120 23069368 28836710 57673420 115346840