Base | Representation |
---|---|
bin | 1110110001001… |
… | …01100111110110 |
3 | 22122010001201222 |
4 | 13120211213312 |
5 | 223203323240 |
6 | 20143150342 |
7 | 3033004610 |
oct | 730454766 |
9 | 278101658 |
10 | 123886070 |
11 | 63a26490 |
12 | 355a53b2 |
13 | 1c887989 |
14 | 1264bdb0 |
15 | ad21eb5 |
hex | 76259f6 |
123886070 has 64 divisors (see below), whose sum is σ = 279562752. Its totient is φ = 38400000.
The previous prime is 123886043. The next prime is 123886093. The reversal of 123886070 is 70688321.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 123886070.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192950 + ... + 193590.
It is an arithmetic number, because the mean of its divisors is an integer number (4368168).
Almost surely, 2123886070 is an apocalyptic number.
123886070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123886070 is an abundant number, since it is smaller than the sum of its proper divisors (155676682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123886070 is a wasteful number, since it uses less digits than its factorization.
123886070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 123886070 is about 11130.4119420622. The cubic root of 123886070 is about 498.5103261514.
The spelling of 123886070 in words is "one hundred twenty-three million, eight hundred eighty-six thousand, seventy".
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