Base | Representation |
---|---|
bin | 1110101101101… |
… | …01001001000000 |
3 | 22121020122202001 |
4 | 13112311021000 |
5 | 223044102334 |
6 | 20125233344 |
7 | 3026045440 |
oct | 726651100 |
9 | 277218661 |
10 | 123425344 |
11 | 63741319 |
12 | 35402854 |
13 | 1c756063 |
14 | 1256c120 |
15 | ac80714 |
hex | 75b5240 |
123425344 has 28 divisors (see below), whose sum is σ = 279912064. Its totient is φ = 52896384.
The previous prime is 123425329. The next prime is 123425347. The reversal of 123425344 is 443524321.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (28).
It is a super-3 number, since 3×1234253443 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (123425347) 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, 137304 + ... + 138199.
Almost surely, 2123425344 is an apocalyptic number.
123425344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
123425344 is an abundant number, since it is smaller than the sum of its proper divisors (156486720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123425344 is an equidigital number, since it uses as much as digits as its factorization.
123425344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275522 (or 275512 counting only the distinct ones).
The product of its digits is 11520, while the sum is 28.
The square root of 123425344 is about 11109.6959454343. The cubic root of 123425344 is about 497.8915802965.
Adding to 123425344 its reverse (443524321), we get a palindrome (566949665).
The spelling of 123425344 in words is "one hundred twenty-three million, four hundred twenty-five thousand, three hundred forty-four".
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