Base | Representation |
---|---|
bin | 1110010101010… |
… | …01111110010000 |
3 | 22101020111212101 |
4 | 13022221332100 |
5 | 221234440442 |
6 | 15533010144 |
7 | 2656654033 |
oct | 712517620 |
9 | 271214771 |
10 | 120233872 |
11 | 61961540 |
12 | 34323954 |
13 | 1bba9505 |
14 | 11d7b01a |
15 | a84ecb7 |
hex | 72a9f90 |
120233872 has 40 divisors (see below), whose sum is σ = 262340352. Its totient is φ = 52886400.
The previous prime is 120233863. The next prime is 120233873. The reversal of 120233872 is 278332021.
It is a super-2 number, since 2×1202338722 = 28912367952224768, which contains 22 as substring.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 120233872.
It is not an unprimeable number, because it can be changed into a prime (120233873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5563 + ... + 16474.
Almost surely, 2120233872 is an apocalyptic number.
It is an amenable number.
120233872 is an abundant number, since it is smaller than the sum of its proper divisors (142106480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120233872 is a wasteful number, since it uses less digits than its factorization.
120233872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22087 (or 22081 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 120233872 is about 10965.1207015700. The cubic root of 120233872 is about 493.5626391188.
Adding to 120233872 its reverse (278332021), we get a palindrome (398565893).
The spelling of 120233872 in words is "one hundred twenty million, two hundred thirty-three thousand, eight hundred seventy-two".
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