Base | Representation |
---|---|
bin | 101101110010… |
… | …000010000010 |
3 | 211120201211200 |
4 | 231302002002 |
5 | 11033021120 |
6 | 1105122030 |
7 | 204003351 |
oct | 55620202 |
9 | 24521750 |
10 | 12001410 |
11 | 6857923 |
12 | 4029316 |
13 | 2642835 |
14 | 1845998 |
15 | 10c0e90 |
hex | b72082 |
12001410 has 24 divisors (see below), whose sum is σ = 31203900. Its totient is φ = 3200352.
The previous prime is 12001387. The next prime is 12001411. The reversal of 12001410 is 1410021.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 651249 = 3369^2 + 807^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 12001392 and 12001401.
It is not an unprimeable number, because it can be changed into a prime (12001411) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66585 + ... + 66764.
Almost surely, 212001410 is an apocalyptic number.
12001410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12001410 is an abundant number, since it is smaller than the sum of its proper divisors (19202490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12001410 is a wasteful number, since it uses less digits than its factorization.
12001410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133362 (or 133359 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 12001410 is about 3464.3051251297. The cubic root of 12001410 is about 228.9518150877.
Adding to 12001410 its reverse (1410021), we get a palindrome (13411431).
The spelling of 12001410 in words is "twelve million, one thousand, four hundred ten".
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