Base | Representation |
---|---|
bin | 1110101010010… |
… | …01101110110100 |
3 | 22120102022020200 |
4 | 13111021232310 |
5 | 222441013041 |
6 | 20112000500 |
7 | 3022234002 |
oct | 725115664 |
9 | 276368220 |
10 | 122985396 |
11 | 63470826 |
12 | 35230130 |
13 | 1c630a31 |
14 | 12495a72 |
15 | abe51b6 |
hex | 7549bb4 |
122985396 has 36 divisors (see below), whose sum is σ = 311438400. Its totient is φ = 40921488.
The previous prime is 122985389. The next prime is 122985397. The reversal of 122985396 is 693589221.
122985396 is a `hidden beast` number, since 1 + 22 + 98 + 539 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122985397) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19525 + ... + 25043.
Almost surely, 2122985396 is an apocalyptic number.
It is an amenable number.
122985396 is an abundant number, since it is smaller than the sum of its proper divisors (188453004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122985396 is a wasteful number, since it uses less digits than its factorization.
122985396 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6148 (or 6143 counting only the distinct ones).
The product of its digits is 233280, while the sum is 45.
The square root of 122985396 is about 11089.8780876978. The cubic root of 122985396 is about 497.2993000372.
The spelling of 122985396 in words is "one hundred twenty-two million, nine hundred eighty-five thousand, three hundred ninety-six".
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