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120372742 = 2783103591
BaseRepresentation
bin1110010110010…
…11111000000110
322101111120100201
413023023320012
5221303411432
615540001114
72661102640
oct713137006
9271446321
10120372742
1161a46906
123439019a
131bc27799
1411db5890
15a87aee7
hex72cbe06

120372742 has 16 divisors (see below), whose sum is σ = 208841472. Its totient is φ = 50966280.

The previous prime is 120372739. The next prime is 120372743. The reversal of 120372742 is 247273021.

It is a self number, because there is not a number n which added to its sum of digits gives 120372742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120372743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50634 + ... + 52957.

It is an arithmetic number, because the mean of its divisors is an integer number (13052592).

Almost surely, 2120372742 is an apocalyptic number.

120372742 is a deficient number, since it is larger than the sum of its proper divisors (88468730).

120372742 is a wasteful number, since it uses less digits than its factorization.

120372742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103683.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 120372742 is about 10971.4512257951. The cubic root of 120372742 is about 493.7525874564.

The spelling of 120372742 in words is "one hundred twenty million, three hundred seventy-two thousand, seven hundred forty-two".

Divisors: 1 2 7 14 83 166 581 1162 103591 207182 725137 1450274 8598053 17196106 60186371 120372742