Base | Representation |
---|---|
bin | 1110010101001… |
… | …10110100010000 |
3 | 22101012212010120 |
4 | 13022212310100 |
5 | 221234032234 |
6 | 15532430240 |
7 | 2656601244 |
oct | 712466420 |
9 | 271185116 |
10 | 120220944 |
11 | 61952858 |
12 | 34318380 |
13 | 1bba366c |
14 | 11d76424 |
15 | a84b049 |
hex | 72a6d10 |
120220944 has 20 divisors (see below), whose sum is σ = 310570896. Its totient is φ = 40073632.
The previous prime is 120220943. The next prime is 120220973. The reversal of 120220944 is 449022021.
It is a super-2 number, since 2×1202209442 = 28906150752502272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (120220943) 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, 1252254 + ... + 1252349.
Almost surely, 2120220944 is an apocalyptic number.
It is an amenable number.
120220944 is an abundant number, since it is smaller than the sum of its proper divisors (190349952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120220944 is a wasteful number, since it uses less digits than its factorization.
120220944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2504614 (or 2504608 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 120220944 is about 10964.5311801280. The cubic root of 120220944 is about 493.5449485784.
Adding to 120220944 its reverse (449022021), we get a palindrome (569242965).
The spelling of 120220944 in words is "one hundred twenty million, two hundred twenty thousand, nine hundred forty-four".
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