Base | Representation |
---|---|
bin | 101100100010… |
… | …0101011001000 |
3 | 1121221022010100 |
4 | 1121010223020 |
5 | 21434144320 |
6 | 2152245400 |
7 | 402320454 |
oct | 131045310 |
9 | 47838110 |
10 | 23349960 |
11 | 121a9197 |
12 | 79a0860 |
13 | 4ab715a |
14 | 315b664 |
15 | 20b3790 |
hex | 1644ac8 |
23349960 has 96 divisors (see below), whose sum is σ = 77982840. Its totient is φ = 6054912.
The previous prime is 23349943. The next prime is 23349961. The reversal of 23349960 is 6994332.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 17089956 + 6260004 = 4134^2 + 2502^2 .
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23349961) 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, 12444 + ... + 14196.
Almost surely, 223349960 is an apocalyptic number.
23349960 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 23349960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38991420).
23349960 is an abundant number, since it is smaller than the sum of its proper divisors (54632880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23349960 is a wasteful number, since it uses less digits than its factorization.
23349960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1807 (or 1800 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 36.
The square root of 23349960 is about 4832.1796324226. The cubic root of 23349960 is about 285.8218199984.
The spelling of 23349960 in words is "twenty-three million, three hundred forty-nine thousand, nine hundred sixty".
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