Base | Representation |
---|---|
bin | 1110010101011… |
… | …11001110101010 |
3 | 22101021121101210 |
4 | 13022233032222 |
5 | 221241133102 |
6 | 15533253550 |
7 | 2660103561 |
oct | 712571652 |
9 | 271247353 |
10 | 120255402 |
11 | 61976733 |
12 | 343342b6 |
13 | 1bbb6257 |
14 | 11d84bd8 |
15 | a85636c |
hex | 72af3aa |
120255402 has 32 divisors (see below), whose sum is σ = 255542400. Its totient is φ = 37654848.
The previous prime is 120255383. The next prime is 120255409. The reversal of 120255402 is 204552021.
It is a happy number.
It is a super-2 number, since 2×1202554022 = 28922723420363208, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (120255409) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2902 + ... + 15777.
It is an arithmetic number, because the mean of its divisors is an integer number (7985700).
Almost surely, 2120255402 is an apocalyptic number.
120255402 is an abundant number, since it is smaller than the sum of its proper divisors (135286998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120255402 is a wasteful number, since it uses less digits than its factorization.
120255402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18750.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 120255402 is about 10966.1024069630. The cubic root of 120255402 is about 493.5920977320.
The spelling of 120255402 in words is "one hundred twenty million, two hundred fifty-five thousand, four hundred two".
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