Base | Representation |
---|---|
bin | 101111010100… |
… | …010100100000 |
3 | 212100012002102 |
4 | 233110110200 |
5 | 11133412000 |
6 | 1121505532 |
7 | 210301160 |
oct | 57242440 |
9 | 25305072 |
10 | 12404000 |
11 | 7002344 |
12 | 41a22a8 |
13 | 2753b5b |
14 | 190c5a0 |
15 | 11503d5 |
hex | bd4520 |
12404000 has 96 divisors (see below), whose sum is σ = 34909056. Its totient is φ = 4243200.
The previous prime is 12403973. The next prime is 12404003. The reversal of 12404000 is 40421.
It is not an unprimeable number, because it can be changed into a prime (12404003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27779 + ... + 28221.
It is an arithmetic number, because the mean of its divisors is an integer number (363636).
Almost surely, 212404000 is an apocalyptic number.
12404000 is a gapful number since it is divisible by the number (10) 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 12404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17454528).
12404000 is an abundant number, since it is smaller than the sum of its proper divisors (22505056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12404000 is an equidigital number, since it uses as much as digits as its factorization.
12404000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475 (or 457 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 12404000 is about 3521.9312883701. The cubic root of 12404000 is about 231.4837908313.
Adding to 12404000 its reverse (40421), we get a palindrome (12444421).
The spelling of 12404000 in words is "twelve million, four hundred four thousand".
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