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120704540 = 22511548657
BaseRepresentation
bin1110011000111…
…00111000011100
322102010102111112
413030130320130
5221400021130
615551041152
72663654165
oct714347034
9272112445
10120704540
1162153120
12345101b8
131c012808
141206076c
15a8e4495
hex731ce1c

120704540 has 24 divisors (see below), whose sum is σ = 276523632. Its totient is φ = 43892480.

The previous prime is 120704531. The next prime is 120704581. The reversal of 120704540 is 45407021.

It is a super-2 number, since 2×1207045402 = 29139171953223200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

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, 274109 + ... + 274548.

It is an arithmetic number, because the mean of its divisors is an integer number (11521818).

Almost surely, 2120704540 is an apocalyptic number.

120704540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120704540 is an abundant number, since it is smaller than the sum of its proper divisors (155819092).

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

120704540 is a wasteful number, since it uses less digits than its factorization.

120704540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548677 (or 548675 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 120704540 is about 10986.5617915706. The cubic root of 120704540 is about 494.2058346611.

The spelling of 120704540 in words is "one hundred twenty million, seven hundred four thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 548657 1097314 2194628 2743285 5486570 6035227 10973140 12070454 24140908 30176135 60352270 120704540