Base | Representation |
---|---|
bin | 1110101110000… |
… | …11100111100010 |
3 | 22121100200002021 |
4 | 13113003213202 |
5 | 223103002032 |
6 | 20130412054 |
7 | 3026413351 |
oct | 727034742 |
9 | 277320067 |
10 | 123484642 |
11 | 63781926 |
12 | 3543102a |
13 | 1c777048 |
14 | 12585998 |
15 | ac93097 |
hex | 75c39e2 |
123484642 has 8 divisors (see below), whose sum is σ = 185286096. Its totient is φ = 61722612.
The previous prime is 123484633. The next prime is 123484649. The reversal of 123484642 is 246484321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 123484598 and 123484607.
It is not an unprimeable number, because it can be changed into a prime (123484649) 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, 88 + ... + 15715.
It is an arithmetic number, because the mean of its divisors is an integer number (23160762).
Almost surely, 2123484642 is an apocalyptic number.
123484642 is a deficient number, since it is larger than the sum of its proper divisors (61801454).
123484642 is a wasteful number, since it uses less digits than its factorization.
123484642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19712.
The product of its digits is 36864, while the sum is 34.
The square root of 123484642 is about 11112.3643748754. The cubic root of 123484642 is about 497.9713025726.
The spelling of 123484642 in words is "one hundred twenty-three million, four hundred eighty-four thousand, six hundred forty-two".
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