Base | Representation |
---|---|
bin | 1110010111000… |
… | …00100011001111 |
3 | 22101122212112001 |
4 | 13023200203033 |
5 | 221314114143 |
6 | 15541453131 |
7 | 2661604552 |
oct | 713404317 |
9 | 271585461 |
10 | 120457423 |
11 | 61aa4499 |
12 | 344111a7 |
13 | 1bc571a8 |
14 | 11dd8699 |
15 | a89614d |
hex | 72e08cf |
120457423 has 4 divisors (see below), whose sum is σ = 121069080. Its totient is φ = 119845768.
The previous prime is 120457399. The next prime is 120457429. The reversal of 120457423 is 324754021.
120457423 is nontrivially palindromic in base 8.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324754021 = 2251 ⋅144271.
It is a cyclic number.
It is not a de Polignac number, because 120457423 - 25 = 120457391 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120457391 and 120457400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120457429) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305533 + ... + 305926.
It is an arithmetic number, because the mean of its divisors is an integer number (30267270).
Almost surely, 2120457423 is an apocalyptic number.
120457423 is a deficient number, since it is larger than the sum of its proper divisors (611657).
120457423 is an equidigital number, since it uses as much as digits as its factorization.
120457423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611656.
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 120457423 is about 10975.3096995028. The cubic root of 120457423 is about 493.8683436244.
The spelling of 120457423 in words is "one hundred twenty million, four hundred fifty-seven thousand, four hundred twenty-three".
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