Base | Representation |
---|---|
bin | 1110010011111… |
… | …01101100110010 |
3 | 22100220022010000 |
4 | 13021331230302 |
5 | 221213140110 |
6 | 15525050430 |
7 | 2655300243 |
oct | 711755462 |
9 | 270808100 |
10 | 120052530 |
11 | 61848274 |
12 | 34256a16 |
13 | 1bb44b00 |
14 | 11d30cca |
15 | a8161c0 |
hex | 727db32 |
120052530 has 120 divisors (see below), whose sum is σ = 349947972. Its totient is φ = 29517696.
The previous prime is 120052511. The next prime is 120052561. The reversal of 120052530 is 35250021.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 28869129 + 91183401 = 5373^2 + 9549^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 136452 + ... + 137328.
Almost surely, 2120052530 is an apocalyptic number.
120052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 120052530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174973986).
120052530 is an abundant number, since it is smaller than the sum of its proper divisors (229895442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120052530 is a wasteful number, since it uses less digits than its factorization.
120052530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 922 (or 900 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 120052530 is about 10956.8485432628. The cubic root of 120052530 is about 493.3143766557.
It can be divided in two parts, 12005 and 2530, that added together give a triangular number (14535 = T170).
The spelling of 120052530 in words is "one hundred twenty million, fifty-two thousand, five hundred thirty".
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