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120260256 = 2531252711
BaseRepresentation
bin1110010101100…
…00011010100000
322101021212001120
413022300122200
5221241312011
615533332240
72660123664
oct712603240
9271255046
10120260256
116197a346
1234337080
131bbb851c
1411d868a4
15a857a06
hex72b06a0

120260256 has 24 divisors (see below), whose sum is σ = 315683424. Its totient is φ = 40086720.

The previous prime is 120260213. The next prime is 120260299. The reversal of 120260256 is 652062021.

It is an interprime number because it is at equal distance from previous prime (120260213) and next prime (120260299).

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

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 626260 + ... + 626451.

It is an arithmetic number, because the mean of its divisors is an integer number (13153476).

Almost surely, 2120260256 is an apocalyptic number.

120260256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120260256 is an abundant number, since it is smaller than the sum of its proper divisors (195423168).

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

120260256 is a wasteful number, since it uses less digits than its factorization.

120260256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252724 (or 1252716 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 120260256 is about 10966.3237231079. The cubic root of 120260256 is about 493.5987387748.

The spelling of 120260256 in words is "one hundred twenty million, two hundred sixty thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1252711 2505422 3758133 5010844 7516266 10021688 15032532 20043376 30065064 40086752 60130128 120260256