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113786380 = 22522732503
BaseRepresentation
bin1101100100000…
…11111000001100
321221002221120101
412302003320030
5213112131010
615142500444
72551111501
oct662037014
9257087511
10113786380
1159258434
1232134724
131a75c926
141117d4a8
159ec973a
hex6c83e0c

113786380 has 24 divisors (see below), whose sum is σ = 239152032. Its totient is φ = 45476352.

The previous prime is 113786377. The next prime is 113786381. The reversal of 113786380 is 83687311.

It is not an unprimeable number, because it can be changed into a prime (113786381) 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, 44209 + ... + 46711.

It is an arithmetic number, because the mean of its divisors is an integer number (9964668).

Almost surely, 2113786380 is an apocalyptic number.

113786380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113786380 is an abundant number, since it is smaller than the sum of its proper divisors (125365652).

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

113786380 is a wasteful number, since it uses less digits than its factorization.

113786380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 113786380 is about 10667.0698882120. The cubic root of 113786380 is about 484.5777030479.

The spelling of 113786380 in words is "one hundred thirteen million, seven hundred eighty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2273 2503 4546 5006 9092 10012 11365 12515 22730 25030 45460 50060 5689319 11378638 22757276 28446595 56893190 113786380