Base | Representation |
---|---|
bin | 1110100100100… |
… | …11011110110001 |
3 | 22112000101020120 |
4 | 13102103132301 |
5 | 222243121042 |
6 | 20044000453 |
7 | 3013004424 |
oct | 722233661 |
9 | 275011216 |
10 | 122238897 |
11 | 63000990 |
12 | 34b30129 |
13 | 1c42c011 |
14 | 1233d9bb |
15 | aae8dec |
hex | 74937b1 |
122238897 has 16 divisors (see below), whose sum is σ = 179208192. Its totient is φ = 73498320.
The previous prime is 122238889. The next prime is 122238899. The reversal of 122238897 is 798832221.
It is a happy number.
It is not a de Polignac number, because 122238897 - 23 = 122238889 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122238899) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10393 + ... + 18774.
It is an arithmetic number, because the mean of its divisors is an integer number (11200512).
Almost surely, 2122238897 is an apocalyptic number.
It is an amenable number.
122238897 is a deficient number, since it is larger than the sum of its proper divisors (56969295).
122238897 is a wasteful number, since it uses less digits than its factorization.
122238897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29308.
The product of its digits is 96768, while the sum is 42.
The square root of 122238897 is about 11056.1700873313. The cubic root of 122238897 is about 496.2910852630.
The spelling of 122238897 in words is "one hundred twenty-two million, two hundred thirty-eight thousand, eight hundred ninety-seven".
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