Base | Representation |
---|---|
bin | 1110101001100… |
… | …10010000010000 |
3 | 22120020102100001 |
4 | 13110302100100 |
5 | 222424423412 |
6 | 20105535344 |
7 | 3021353434 |
oct | 724622020 |
9 | 276212301 |
10 | 122889232 |
11 | 63405554 |
12 | 351a4554 |
13 | 1c5c902b |
14 | 1246c9c4 |
15 | abc6957 |
hex | 7532410 |
122889232 has 20 divisors (see below), whose sum is σ = 238554796. Its totient is φ = 61326720.
The previous prime is 122889187. The next prime is 122889233. The reversal of 122889232 is 232988221.
It can be written as a sum of positive squares in 2 ways, for example, as 95179536 + 27709696 = 9756^2 + 5264^2 .
It is a junction number, because it is equal to n+sod(n) for n = 122889191 and 122889200.
It is not an unprimeable number, because it can be changed into a prime (122889233) 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, 1558 + ... + 15754.
Almost surely, 2122889232 is an apocalyptic number.
It is an amenable number.
122889232 is a deficient number, since it is larger than the sum of its proper divisors (115665564).
122889232 is a wasteful number, since it uses less digits than its factorization.
122889232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14746 (or 14740 counting only the distinct ones).
The product of its digits is 27648, while the sum is 37.
The square root of 122889232 is about 11085.5415745014. The cubic root of 122889232 is about 497.1696511489.
The spelling of 122889232 in words is "one hundred twenty-two million, eight hundred eighty-nine thousand, two hundred thirty-two".
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