Base | Representation |
---|---|
bin | 101101100100… |
… | …1110000000000 |
3 | 1122221222211111 |
4 | 1123021300000 |
5 | 22104120130 |
6 | 2212053104 |
7 | 410050561 |
oct | 133116000 |
9 | 48858744 |
10 | 23895040 |
11 | 12540774 |
12 | 8004194 |
13 | 4c482a0 |
14 | 3260168 |
15 | 217002a |
hex | 16c9c00 |
23895040 has 88 divisors (see below), whose sum is σ = 61901280. Its totient is φ = 8798208.
The previous prime is 23895037. The next prime is 23895049. The reversal of 23895040 is 4059832.
It is a junction number, because it is equal to n+sod(n) for n = 23894993 and 23895011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23895049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66381 + ... + 66739.
Almost surely, 223895040 is an apocalyptic number.
23895040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23895040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30950640).
23895040 is an abundant number, since it is smaller than the sum of its proper divisors (38006240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23895040 is a wasteful number, since it uses less digits than its factorization.
23895040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397 (or 379 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 23895040 is about 4888.2553124811. The cubic root of 23895040 is about 288.0288037035.
The spelling of 23895040 in words is "twenty-three million, eight hundred ninety-five thousand, forty".
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