Base | Representation |
---|---|
bin | 1110100111100… |
… | …11001011110001 |
3 | 22112202021222002 |
4 | 13103303023301 |
5 | 222343142042 |
6 | 20100223345 |
7 | 3016226324 |
oct | 723631361 |
9 | 275667862 |
10 | 122630897 |
11 | 63249454 |
12 | 3509ab55 |
13 | 1c53857c |
14 | 124027bb |
15 | ab75132 |
hex | 74f32f1 |
122630897 has 4 divisors (see below), whose sum is σ = 122875200. Its totient is φ = 122386596.
The previous prime is 122630863. The next prime is 122630899. The reversal of 122630897 is 798036221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122630897 - 224 = 105853681 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122630897.
It is not an unprimeable number, because it can be changed into a prime (122630899) 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, 121397 + ... + 122402.
It is an arithmetic number, because the mean of its divisors is an integer number (30718800).
Almost surely, 2122630897 is an apocalyptic number.
It is an amenable number.
122630897 is a deficient number, since it is larger than the sum of its proper divisors (244303).
122630897 is an equidigital number, since it uses as much as digits as its factorization.
122630897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244302.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 122630897 is about 11073.8835554651. The cubic root of 122630897 is about 496.8210270976.
It can be divided in two parts, 1226 and 30897, that added together give a palindrome (32123).
The spelling of 122630897 in words is "one hundred twenty-two million, six hundred thirty thousand, eight hundred ninety-seven".
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