Base | Representation |
---|---|
bin | 1110101001111… |
… | …10011111111000 |
3 | 22120022222010112 |
4 | 13110332133320 |
5 | 222433030014 |
6 | 20111003452 |
7 | 3021652601 |
oct | 724763770 |
9 | 276288115 |
10 | 122939384 |
11 | 6343a1a7 |
12 | 35209588 |
13 | 1c615ac9 |
14 | 12482da8 |
15 | abd673e |
hex | 753e7f8 |
122939384 has 16 divisors (see below), whose sum is σ = 232171800. Its totient is φ = 61026912.
The previous prime is 122939371. The next prime is 122939389. The reversal of 122939384 is 483939221.
It is a super-3 number, since 3×1229393843 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122939389) 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, 54167 + ... + 56390.
Almost surely, 2122939384 is an apocalyptic number.
It is an amenable number.
122939384 is a deficient number, since it is larger than the sum of its proper divisors (109232416).
122939384 is a wasteful number, since it uses less digits than its factorization.
122939384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110702 (or 110698 counting only the distinct ones).
The product of its digits is 93312, while the sum is 41.
The square root of 122939384 is about 11087.8033893103. The cubic root of 122939384 is about 497.2372748150.
The spelling of 122939384 in words is "one hundred twenty-two million, nine hundred thirty-nine thousand, three hundred eighty-four".
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