Base | Representation |
---|---|
bin | 101110010110… |
… | …110110010110 |
3 | 211212101201000 |
4 | 232112312112 |
5 | 11102332324 |
6 | 1112244130 |
7 | 205202124 |
oct | 56266626 |
9 | 24771630 |
10 | 12152214 |
11 | 6950158 |
12 | 40a0646 |
13 | 2696379 |
14 | 1884914 |
15 | 11009c9 |
hex | b96d96 |
12152214 has 32 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 4019112.
The previous prime is 12152213. The next prime is 12152221. The reversal of 12152214 is 41225121.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12152213) 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, 6697 + ... + 8315.
It is an arithmetic number, because the mean of its divisors is an integer number (850500).
Almost surely, 212152214 is an apocalyptic number.
12152214 is an abundant number, since it is smaller than the sum of its proper divisors (15063786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12152214 is a wasteful number, since it uses less digits than its factorization.
12152214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).
The product of its digits is 160, while the sum is 18.
The square root of 12152214 is about 3486.0025817546. The cubic root of 12152214 is about 229.9067927307.
Subtracting from 12152214 its sum of digits (18), we obtain a square (12152196 = 34862).
Adding to 12152214 its reverse (41225121), we get a palindrome (53377335).
The spelling of 12152214 in words is "twelve million, one hundred fifty-two thousand, two hundred fourteen".
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