Base | Representation |
---|---|
bin | 1110101010101… |
… | …00010101100000 |
3 | 22120111111211102 |
4 | 13111110111200 |
5 | 222443410312 |
6 | 20112533532 |
7 | 3022504433 |
oct | 725242540 |
9 | 276444742 |
10 | 123028832 |
11 | 634a0423 |
12 | 352512a8 |
13 | 1c647734 |
14 | 124a781a |
15 | ac02ec2 |
hex | 7554560 |
123028832 has 24 divisors (see below), whose sum is σ = 250028352. Its totient is φ = 59529600.
The previous prime is 123028831. The next prime is 123028889. The reversal of 123028832 is 238820321.
It is a junction number, because it is equal to n+sod(n) for n = 123028795 and 123028804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123028831) 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, 61019 + ... + 63002.
It is an arithmetic number, because the mean of its divisors is an integer number (10417848).
Almost surely, 2123028832 is an apocalyptic number.
It is an amenable number.
123028832 is an abundant number, since it is smaller than the sum of its proper divisors (126999520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123028832 is a wasteful number, since it uses less digits than its factorization.
123028832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124062 (or 124054 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 123028832 is about 11091.8362771905. The cubic root of 123028832 is about 497.3578385591.
The spelling of 123028832 in words is "one hundred twenty-three million, twenty-eight thousand, eight hundred thirty-two".
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