Base | Representation |
---|---|
bin | 101101101010… |
… | …111001110010 |
3 | 211112020210012 |
4 | 231222321302 |
5 | 11031102320 |
6 | 1104334522 |
7 | 203522255 |
oct | 55527162 |
9 | 24466705 |
10 | 11972210 |
11 | 6837998 |
12 | 4014442 |
13 | 2632463 |
14 | 183909c |
15 | 10b74c5 |
hex | b6ae72 |
11972210 has 8 divisors (see below), whose sum is σ = 21549996. Its totient is φ = 4788880.
The previous prime is 11972203. The next prime is 11972243. The reversal of 11972210 is 1227911.
It can be written as a sum of positive squares in 2 ways, for example, as 10491121 + 1481089 = 3239^2 + 1217^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598601 + ... + 598620.
Almost surely, 211972210 is an apocalyptic number.
11972210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11972210 is a deficient number, since it is larger than the sum of its proper divisors (9577786).
11972210 is a wasteful number, since it uses less digits than its factorization.
11972210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1197228.
The product of its (nonzero) digits is 252, while the sum is 23.
The square root of 11972210 is about 3460.0881491661. The cubic root of 11972210 is about 228.7659807482.
The spelling of 11972210 in words is "eleven million, nine hundred seventy-two thousand, two hundred ten".
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