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120260664 = 23321670287
BaseRepresentation
bin1110010101100…
…00100000111000
322101021212121200
413022300200320
5221241320124
615533334200
72660125116
oct712604070
9271255550
10120260664
116197a687
1234337360
131bbb8774
1411d86ab6
15a857bc9
hex72b0838

120260664 has 24 divisors (see below), whose sum is σ = 325706160. Its totient is φ = 40086864.

The previous prime is 120260653. The next prime is 120260677. The reversal of 120260664 is 466062021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 835072 + ... + 835215.

It is an arithmetic number, because the mean of its divisors is an integer number (13571090).

Almost surely, 2120260664 is an apocalyptic number.

It is an amenable number.

120260664 is an abundant number, since it is smaller than the sum of its proper divisors (205445496).

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

120260664 is a wasteful number, since it uses less digits than its factorization.

120260664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670299 (or 1670292 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 120260664 is about 10966.3423254976. The cubic root of 120260664 is about 493.5992969754.

The spelling of 120260664 in words is "one hundred twenty million, two hundred sixty thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1670287 3340574 5010861 6681148 10021722 13362296 15032583 20043444 30065166 40086888 60130332 120260664