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120397740 = 223517118037
BaseRepresentation
bin1110010110100…
…01111110101100
322101112211122120
413023101332230
5221310211430
615540312540
72661235551
oct713217654
9271484576
10120397740
1161a63671
12343a2750
131bc35c88
1411dc0a28
15a883610
hex72d1fac

120397740 has 48 divisors (see below), whose sum is σ = 356946912. Its totient is φ = 30217216.

The previous prime is 120397703. The next prime is 120397751. The reversal of 120397740 is 47793021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57999 + ... + 60038.

It is an arithmetic number, because the mean of its divisors is an integer number (7436394).

Almost surely, 2120397740 is an apocalyptic number.

120397740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120397740 is an abundant number, since it is smaller than the sum of its proper divisors (236549172).

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

120397740 is a wasteful number, since it uses less digits than its factorization.

120397740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118066 (or 118064 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 120397740 is about 10972.5903960733. The cubic root of 120397740 is about 493.7867645540.

The spelling of 120397740 in words is "one hundred twenty million, three hundred ninety-seven thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 118037 236074 354111 472148 590185 708222 1180370 1416444 1770555 2006629 2360740 3541110 4013258 6019887 7082220 8026516 10033145 12039774 20066290 24079548 30099435 40132580 60198870 120397740