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120870540 = 22325795929
BaseRepresentation
bin1110011010001…
…01011010001100
322102102212012200
413031011122030
5221420324130
615554401500
72665245150
oct715053214
9272385180
10120870540
116225690a
1234590290
131c07023b
14120a5060
15a928760
hex734568c

120870540 has 72 divisors (see below), whose sum is σ = 419022240. Its totient is φ = 27627264.

The previous prime is 120870539. The next prime is 120870593. The reversal of 120870540 is 45078021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46705 + ... + 49224.

Almost surely, 2120870540 is an apocalyptic number.

120870540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120870540 is an abundant number, since it is smaller than the sum of its proper divisors (298151700).

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

120870540 is a wasteful number, since it uses less digits than its factorization.

120870540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95951 (or 95946 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 120870540 is about 10994.1138797085. The cubic root of 120870540 is about 494.4322845509.

The spelling of 120870540 in words is "one hundred twenty million, eight hundred seventy thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 95929 191858 287787 383716 479645 575574 671503 863361 959290 1151148 1343006 1438935 1726722 1918580 2014509 2686012 2877870 3357515 3453444 4029018 4316805 5755740 6043527 6715030 8058036 8633610 10072545 12087054 13430060 17267220 20145090 24174108 30217635 40290180 60435270 120870540