Base | Representation |
---|---|
bin | 1110101001100… |
… | …10000011000100 |
3 | 22120020101011210 |
4 | 13110302003010 |
5 | 222424412023 |
6 | 20105531420 |
7 | 3021351120 |
oct | 724620304 |
9 | 276211153 |
10 | 122888388 |
11 | 63404957 |
12 | 351a3b70 |
13 | 1c5c882c |
14 | 1246c580 |
15 | abc6593 |
hex | 75320c4 |
122888388 has 24 divisors (see below), whose sum is σ = 327702592. Its totient is φ = 35110944.
The previous prime is 122888369. The next prime is 122888401. The reversal of 122888388 is 883888221.
It is a happy number.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731395 + ... + 731562.
Almost surely, 2122888388 is an apocalyptic number.
It is an amenable number.
122888388 is an abundant number, since it is smaller than the sum of its proper divisors (204814204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122888388 is a wasteful number, since it uses less digits than its factorization.
122888388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1462971 (or 1462969 counting only the distinct ones).
The product of its digits is 393216, while the sum is 48.
The square root of 122888388 is about 11085.5035068327. The cubic root of 122888388 is about 497.1685129636.
The spelling of 122888388 in words is "one hundred twenty-two million, eight hundred eighty-eight thousand, three hundred eighty-eight".
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