Base | Representation |
---|---|
bin | 1110100110000… |
… | …01100101000000 |
3 | 22112100222020201 |
4 | 13103001211000 |
5 | 222320141322 |
6 | 20052014544 |
7 | 3014422051 |
oct | 723014500 |
9 | 275328221 |
10 | 122427712 |
11 | 6311a830 |
12 | 35001454 |
13 | 1c496c44 |
14 | 1238c728 |
15 | ab34d27 |
hex | 74c1940 |
122427712 has 56 divisors (see below), whose sum is σ = 276587712. Its totient is φ = 53222400.
The previous prime is 122427707. The next prime is 122427713. The reversal of 122427712 is 217724221.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122427713) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12412 + ... + 19972.
Almost surely, 2122427712 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122427712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138293856).
122427712 is an abundant number, since it is smaller than the sum of its proper divisors (154160000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122427712 is a wasteful number, since it uses less digits than its factorization.
122427712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7607 (or 7597 counting only the distinct ones).
The product of its digits is 3136, while the sum is 28.
The square root of 122427712 is about 11064.7056897145. The cubic root of 122427712 is about 496.5464840408.
The spelling of 122427712 in words is "one hundred twenty-two million, four hundred twenty-seven thousand, seven hundred twelve".
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