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118256040 = 233257167281
BaseRepresentation
bin1110000110001…
…11000110101000
322020112000210100
413003013012220
5220233143130
615422345400
72634105540
oct703070650
9266460710
10118256040
1160830571
123372b260
131b6661b6
14119c4320
15a5adc60
hex70c71a8

118256040 has 192 divisors, whose sum is σ = 443439360. Its totient is φ = 26772480.

The previous prime is 118256023. The next prime is 118256069. The reversal of 118256040 is 40652811.

It is a junction number, because it is equal to n+sod(n) for n = 118255995 and 118256013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420700 + ... + 420980.

It is an arithmetic number, because the mean of its divisors is an integer number (2309580).

Almost surely, 2118256040 is an apocalyptic number.

118256040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118256040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221719680).

118256040 is an abundant number, since it is smaller than the sum of its proper divisors (325183320).

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

118256040 is a wasteful number, since it uses less digits than its factorization.

118256040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 118256040 is about 10874.5593014154. The cubic root of 118256040 is about 490.8413146236.

The spelling of 118256040 in words is "one hundred eighteen million, two hundred fifty-six thousand, forty".