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115919238 = 2333757329
BaseRepresentation
bin1101110100011…
…00100110000110
322002010022022010
412322030212012
5214133403423
615300315050
72605203651
oct672144606
9262108263
10115919238
115a484926
12329a2a86
131b028686
1411576898
15a29b693
hex6e8c986

115919238 has 16 divisors (see below), whose sum is σ = 232530480. Its totient is φ = 38524416.

The previous prime is 115919233. The next prime is 115919239. The reversal of 115919238 is 832919511.

It is a junction number, because it is equal to n+sod(n) for n = 115919196 and 115919205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115919231) 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 7 ways as a sum of consecutive naturals, for example, 26643 + ... + 30686.

It is an arithmetic number, because the mean of its divisors is an integer number (14533155).

Almost surely, 2115919238 is an apocalyptic number.

115919238 is an abundant number, since it is smaller than the sum of its proper divisors (116611242).

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

115919238 is a wasteful number, since it uses less digits than its factorization.

115919238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57671.

The product of its digits is 19440, while the sum is 39.

The square root of 115919238 is about 10766.5796797312. The cubic root of 115919238 is about 487.5866870171.

The spelling of 115919238 in words is "one hundred fifteen million, nine hundred nineteen thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 337 674 1011 2022 57329 114658 171987 343974 19319873 38639746 57959619 115919238