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118640942 = 278474353
BaseRepresentation
bin1110001001001…
…01000100101110
322021020120202222
413010211010232
5220333002232
615434515342
72640300650
oct704450456
9267216688
10118640942
1160a73772
1233895b52
131b76c454
1411a846d0
15a637d12
hex712512e

118640942 has 8 divisors (see below), whose sum is σ = 203384496. Its totient is φ = 50846112.

The previous prime is 118640933. The next prime is 118640953. The reversal of 118640942 is 249046811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 4237163 + ... + 4237190.

It is an arithmetic number, because the mean of its divisors is an integer number (25423062).

Almost surely, 2118640942 is an apocalyptic number.

118640942 is a deficient number, since it is larger than the sum of its proper divisors (84743554).

118640942 is an equidigital number, since it uses as much as digits as its factorization.

118640942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474362.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 118640942 is about 10892.2422852230. The cubic root of 118640942 is about 491.3732711038.

The spelling of 118640942 in words is "one hundred eighteen million, six hundred forty thousand, nine hundred forty-two".

Divisors: 1 2 7 14 8474353 16948706 59320471 118640942