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107640642 = 2317940107
BaseRepresentation
bin1100110101001…
…11011101000010
321111112201012110
412122213131002
5210024000032
614403040150
72444634054
oct632473502
9244481173
10107640642
115584000a
1230070056
13193ba4b5
141041d8d4
1596b37cc
hex66a7742

107640642 has 8 divisors (see below), whose sum is σ = 215281296. Its totient is φ = 35880212.

The previous prime is 107640629. The next prime is 107640671. The reversal of 107640642 is 246046701.

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

107640642 is an admirable 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, 8970048 + ... + 8970059.

It is an arithmetic number, because the mean of its divisors is an integer number (26910162).

Almost surely, 2107640642 is an apocalyptic number.

107640642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

107640642 is a wasteful number, since it uses less digits than its factorization.

107640642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17940112.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 107640642 is about 10375.0008192771. Note that the first 3 decimals coincide. The cubic root of 107640642 is about 475.6915386116.

The spelling of 107640642 in words is "one hundred seven million, six hundred forty thousand, six hundred forty-two".

Divisors: 1 2 3 6 17940107 35880214 53820321 107640642