Base | Representation |
---|---|
bin | 1110100011101… |
… | …01010101101000 |
3 | 22111210002212210 |
4 | 13101311111220 |
5 | 222230143212 |
6 | 20041205120 |
7 | 3011651445 |
oct | 721652550 |
9 | 274702783 |
10 | 122115432 |
11 | 62a2714a |
12 | 34a907a0 |
13 | 1c3b7a6a |
14 | 1230a9cc |
15 | aac253c |
hex | 7475568 |
122115432 has 32 divisors (see below), whose sum is σ = 321357600. Its totient is φ = 38562624.
The previous prime is 122115419. The next prime is 122115439. The reversal of 122115432 is 234511221.
It is a junction number, because it is equal to n+sod(n) for n = 122115399 and 122115408.
It is not an unprimeable number, because it can be changed into a prime (122115439) 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, 133443 + ... + 134354.
It is an arithmetic number, because the mean of its divisors is an integer number (10042425).
Almost surely, 2122115432 is an apocalyptic number.
122115432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122115432 is an abundant number, since it is smaller than the sum of its proper divisors (199242168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122115432 is a wasteful number, since it uses less digits than its factorization.
122115432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267825 (or 267821 counting only the distinct ones).
The product of its digits is 480, while the sum is 21.
The square root of 122115432 is about 11050.5851428782. The cubic root of 122115432 is about 496.1239392844.
Adding to 122115432 its reverse (234511221), we get a palindrome (356626653).
It can be divided in two parts, 1221 and 15432, that added together give a triangular number (16653 = T182).
The spelling of 122115432 in words is "one hundred twenty-two million, one hundred fifteen thousand, four hundred thirty-two".
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