Base | Representation |
---|---|
bin | 101101101110… |
… | …0000001011000 |
3 | 1200002210111100 |
4 | 1123130001120 |
5 | 22114014010 |
6 | 2213431400 |
7 | 410512014 |
oct | 133340130 |
9 | 50083440 |
10 | 23969880 |
11 | 12591a20 |
12 | 803b560 |
13 | 4c7337c |
14 | 327d544 |
15 | 21872c0 |
hex | 16dc058 |
23969880 has 96 divisors (see below), whose sum is σ = 84998160. Its totient is φ = 5809920.
The previous prime is 23969879. The next prime is 23969903. The reversal of 23969880 is 8896932.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934 + ... + 6986.
Almost surely, 223969880 is an apocalyptic number.
23969880 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 23969880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42499080).
23969880 is an abundant number, since it is smaller than the sum of its proper divisors (61028280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23969880 is a wasteful number, since it uses less digits than its factorization.
23969880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6081 (or 6074 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The square root of 23969880 is about 4895.9044108316. The cubic root of 23969880 is about 288.3291953327.
It can be divided in two parts, 239698 and 80, that added together give a triangular number (239778 = T692).
The spelling of 23969880 in words is "twenty-three million, nine hundred sixty-nine thousand, eight hundred eighty".
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