Base | Representation |
---|---|
bin | 1110010101100… |
… | …01011100001001 |
3 | 22101022001211011 |
4 | 13022301130021 |
5 | 221241430312 |
6 | 15533403521 |
7 | 2660142145 |
oct | 712613411 |
9 | 271261734 |
10 | 120264457 |
11 | 61982515 |
12 | 343395a1 |
13 | 1bbba401 |
14 | 11d88225 |
15 | a858da7 |
hex | 72b1709 |
120264457 has 4 divisors (see below), whose sum is σ = 120287440. Its totient is φ = 120241476.
The previous prime is 120264413. The next prime is 120264481. The reversal of 120264457 is 754462021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754462021 = 101 ⋅7469921.
It is a cyclic number.
It is not a de Polignac number, because 120264457 - 211 = 120262409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120244457) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 598 + ... + 15520.
It is an arithmetic number, because the mean of its divisors is an integer number (30071860).
Almost surely, 2120264457 is an apocalyptic number.
It is an amenable number.
120264457 is a deficient number, since it is larger than the sum of its proper divisors (22983).
120264457 is an equidigital number, since it uses as much as digits as its factorization.
120264457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22982.
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 120264457 is about 10966.5152623794. The cubic root of 120264457 is about 493.6044862656.
The spelling of 120264457 in words is "one hundred twenty million, two hundred sixty-four thousand, four hundred fifty-seven".
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