Base | Representation |
---|---|
bin | 1110010100100… |
… | …11101100101000 |
3 | 22101001212201010 |
4 | 13022103230220 |
5 | 221224031012 |
6 | 15531023520 |
7 | 2656124031 |
oct | 712235450 |
9 | 271055633 |
10 | 120142632 |
11 | 618a9a35 |
12 | 3429aba0 |
13 | 1bb76b1c |
14 | 11d55a88 |
15 | a832c3c |
hex | 7293b28 |
120142632 has 32 divisors (see below), whose sum is σ = 300646080. Its totient is φ = 40008960.
The previous prime is 120142619. The next prime is 120142637. The reversal of 120142632 is 236241021.
It is a junction number, because it is equal to n+sod(n) for n = 120142599 and 120142608.
It is not an unprimeable number, because it can be changed into a prime (120142637) 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 7 ways as a sum of consecutive naturals, for example, 34608 + ... + 37920.
It is an arithmetic number, because the mean of its divisors is an integer number (9395190).
Almost surely, 2120142632 is an apocalyptic number.
120142632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120142632 is an abundant number, since it is smaller than the sum of its proper divisors (180503448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120142632 is a wasteful number, since it uses less digits than its factorization.
120142632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4833 (or 4829 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 120142632 is about 10960.9594470557. The cubic root of 120142632 is about 493.4377601355.
Adding to 120142632 its reverse (236241021), we get a palindrome (356383653).
The spelling of 120142632 in words is "one hundred twenty million, one hundred forty-two thousand, six hundred thirty-two".
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