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118408242 = 23172111467
BaseRepresentation
bin1110000111011…
…00010000110010
322020210202120110
413003230100302
5220303030432
615425522150
72635311351
oct703542062
9266722513
10118408242
1160924957
12337a3356
131b6ba564
1411a23998
15a5dddcc
hex70ec432

118408242 has 16 divisors (see below), whose sum is σ = 236974752. Its totient is φ = 39443040.

The previous prime is 118408237. The next prime is 118408261. The reversal of 118408242 is 242804811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4593 + ... + 16059.

It is an arithmetic number, because the mean of its divisors is an integer number (14810922).

Almost surely, 2118408242 is an apocalyptic number.

118408242 is an abundant number, since it is smaller than the sum of its proper divisors (118566510).

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

118408242 is a wasteful number, since it uses less digits than its factorization.

118408242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193.

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 118408242 is about 10881.5551278298. Note that the first 3 decimals coincide. The cubic root of 118408242 is about 491.0518042301.

The spelling of 118408242 in words is "one hundred eighteen million, four hundred eight thousand, two hundred forty-two".

Divisors: 1 2 3 6 1721 3442 5163 10326 11467 22934 34401 68802 19734707 39469414 59204121 118408242