Base | Representation |
---|---|
bin | 101101101110… |
… | …100100011011 |
3 | 211120000101101 |
4 | 231232210123 |
5 | 11032042402 |
6 | 1104532231 |
7 | 203614120 |
oct | 55564433 |
9 | 24500341 |
10 | 11987227 |
11 | 68481aa |
12 | 4021077 |
13 | 2639245 |
14 | 1840747 |
15 | 10bbb87 |
hex | b6e91b |
11987227 has 8 divisors (see below), whose sum is σ = 14505696. Its totient is φ = 9670272.
The previous prime is 11987219. The next prime is 11987231. The reversal of 11987227 is 72278911.
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 11987227 - 23 = 11987219 is a prime.
It is a super-2 number, since 2×119872272 = 287387222299058, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11987267) 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, 50248 + ... + 50485.
It is an arithmetic number, because the mean of its divisors is an integer number (1813212).
Almost surely, 211987227 is an apocalyptic number.
11987227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
11987227 is a deficient number, since it is larger than the sum of its proper divisors (2518469).
11987227 is a wasteful number, since it uses less digits than its factorization.
11987227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100757.
The product of its digits is 14112, while the sum is 37.
The square root of 11987227 is about 3462.2575005334. The cubic root of 11987227 is about 228.8615894781.
The spelling of 11987227 in words is "eleven million, nine hundred eighty-seven thousand, two hundred twenty-seven".
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