Base | Representation |
---|---|
bin | 101101011010… |
… | …0001111011100 |
3 | 1122210111222112 |
4 | 1122310033130 |
5 | 22043310230 |
6 | 2210133152 |
7 | 406232663 |
oct | 132641734 |
9 | 48714875 |
10 | 23806940 |
11 | 12490563 |
12 | 7b811b8 |
13 | 4c17161 |
14 | 3239dda |
15 | 2153d95 |
hex | 16b43dc |
23806940 has 12 divisors (see below), whose sum is σ = 49994616. Its totient is φ = 9522768.
The previous prime is 23806931. The next prime is 23806949. The reversal of 23806940 is 4960832.
It is an interprime number because it is at equal distance from previous prime (23806931) and next prime (23806949).
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 23806897 and 23806906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23806949) 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, 595154 + ... + 595193.
It is an arithmetic number, because the mean of its divisors is an integer number (4166218).
Almost surely, 223806940 is an apocalyptic number.
23806940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23806940 is an abundant number, since it is smaller than the sum of its proper divisors (26187676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23806940 is a wasteful number, since it uses less digits than its factorization.
23806940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1190356 (or 1190354 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 23806940 is about 4879.2355958695. The cubic root of 23806940 is about 287.6743844381.
The spelling of 23806940 in words is "twenty-three million, eight hundred six thousand, nine hundred forty".
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