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107856340 = 2255392817
BaseRepresentation
bin1100110110111…
…00000111010100
321111221200002021
412123130013110
5210102400330
614411422524
72446522654
oct633340724
9244850067
10107856340
1155978079
1230154a44
1319464727
1410478364
15970767a
hex66dc1d4

107856340 has 12 divisors (see below), whose sum is σ = 226498356. Its totient is φ = 43142528.

The previous prime is 107856323. The next prime is 107856349. The reversal of 107856340 is 43658701.

It can be written as a sum of positive squares in 2 ways, for example, as 83393424 + 24462916 = 9132^2 + 4946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 107856296 and 107856305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107856349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696389 + ... + 2696428.

It is an arithmetic number, because the mean of its divisors is an integer number (18874863).

Almost surely, 2107856340 is an apocalyptic number.

107856340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107856340 is an abundant number, since it is smaller than the sum of its proper divisors (118642016).

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

107856340 is a wasteful number, since it uses less digits than its factorization.

107856340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392826 (or 5392824 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 107856340 is about 10385.3907004022. The cubic root of 107856340 is about 476.0090681605.

The spelling of 107856340 in words is "one hundred seven million, eight hundred fifty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5392817 10785634 21571268 26964085 53928170 107856340