Base | Representation |
---|---|
bin | 1110101100001… |
… | …01110011111000 |
3 | 22120212210210220 |
4 | 13112011303320 |
5 | 223021401410 |
6 | 20121140040 |
7 | 3024310311 |
oct | 726056370 |
9 | 276783726 |
10 | 123231480 |
11 | 636196a9 |
12 | 3532a620 |
13 | 1c6b8a48 |
14 | 1251b608 |
15 | ac43070 |
hex | 7585cf8 |
123231480 has 64 divisors (see below), whose sum is σ = 370431360. Its totient is φ = 32796288.
The previous prime is 123231463. The next prime is 123231491. The reversal of 123231480 is 84132321.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 123231480.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105379 + ... + 106541.
It is an arithmetic number, because the mean of its divisors is an integer number (5787990).
Almost surely, 2123231480 is an apocalyptic number.
123231480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123231480 is an abundant number, since it is smaller than the sum of its proper divisors (247199880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123231480 is a wasteful number, since it uses less digits than its factorization.
123231480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2060 (or 2056 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 123231480 is about 11100.9675254007. The cubic root of 123231480 is about 497.6307645120.
The spelling of 123231480 in words is "one hundred twenty-three million, two hundred thirty-one thousand, four hundred eighty".
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