Base | Representation |
---|---|
bin | 101110100000… |
… | …010010010011 |
3 | 211221100201121 |
4 | 232200102103 |
5 | 11110101432 |
6 | 1113143111 |
7 | 205422613 |
oct | 56402223 |
9 | 24840647 |
10 | 12190867 |
11 | 69771a7 |
12 | 40baa97 |
13 | 26aab40 |
14 | 1894a43 |
15 | 110c197 |
hex | ba0493 |
12190867 has 8 divisors (see below), whose sum is σ = 13157424. Its totient is φ = 11228448.
The previous prime is 12190859. The next prime is 12190873. The reversal of 12190867 is 76809121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12190867 - 23 = 12190859 is a prime.
It is a super-3 number, since 3×121908673 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12190847) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8193 + ... + 9565.
It is an arithmetic number, because the mean of its divisors is an integer number (1644678).
Almost surely, 212190867 is an apocalyptic number.
12190867 is a deficient number, since it is larger than the sum of its proper divisors (966557).
12190867 is a wasteful number, since it uses less digits than its factorization.
12190867 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2069.
The product of its (nonzero) digits is 6048, while the sum is 34.
The square root of 12190867 is about 3491.5422093969. The cubic root of 12190867 is about 230.1502924449.
Adding to 12190867 its reverse (76809121), we get a palindrome (88999988).
The spelling of 12190867 in words is "twelve million, one hundred ninety thousand, eight hundred sixty-seven".
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