Base | Representation |
---|---|
bin | 1110101101110… |
… | …11011010100001 |
3 | 22121021221222210 |
4 | 13112323122201 |
5 | 223100413131 |
6 | 20125552333 |
7 | 3026213400 |
oct | 726733241 |
9 | 277257883 |
10 | 123451041 |
11 | 6375965a |
12 | 354156a9 |
13 | 1c76496c |
14 | 12577637 |
15 | ac88146 |
hex | 75bb6a1 |
123451041 has 24 divisors (see below), whose sum is σ = 196154784. Its totient is φ = 68819520.
The previous prime is 123450997. The next prime is 123451049. The reversal of 123451041 is 140154321.
It is not a de Polignac number, because 123451041 - 219 = 122926753 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 123450999 and 123451017.
It is not an unprimeable number, because it can be changed into a prime (123451049) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4215 + ... + 16268.
It is an arithmetic number, because the mean of its divisors is an integer number (8173116).
Almost surely, 2123451041 is an apocalyptic number.
It is an amenable number.
123451041 is a deficient number, since it is larger than the sum of its proper divisors (72703743).
123451041 is a wasteful number, since it uses less digits than its factorization.
123451041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20541 (or 20534 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 123451041 is about 11110.8523975436. The cubic root of 123451041 is about 497.9261313638.
The spelling of 123451041 in words is "one hundred twenty-three million, four hundred fifty-one thousand, forty-one".
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