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113873440 = 255711709
BaseRepresentation
bin1101100100110…
…01001000100000
321221021100222211
412302121020200
5213122422230
615144411504
72551623352
oct662311040
9257240884
10113873440
115930788a
1232176b94
131a790445
14111a30d2
159ee542a
hex6c99220

113873440 has 24 divisors (see below), whose sum is σ = 269026380. Its totient is φ = 45549312.

The previous prime is 113873423. The next prime is 113873471. The reversal of 113873440 is 44378311.

It can be written as a sum of positive squares in 2 ways, for example, as 92083216 + 21790224 = 9596^2 + 4668^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355695 + ... + 356014.

Almost surely, 2113873440 is an apocalyptic number.

113873440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113873440 is an abundant number, since it is smaller than the sum of its proper divisors (155152940).

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

113873440 is an equidigital number, since it uses as much as digits as its factorization.

113873440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711724 (or 711716 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 113873440 is about 10671.1498911786. The cubic root of 113873440 is about 484.7012579056.

The spelling of 113873440 in words is "one hundred thirteen million, eight hundred seventy-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 711709 1423418 2846836 3558545 5693672 7117090 11387344 14234180 22774688 28468360 56936720 113873440