Base | Representation |
---|---|
bin | 100100011100100… |
… | …1001100011111111 |
3 | 10011020011211120102 |
4 | 1020321021203333 |
5 | 10001033102202 |
6 | 321203511315 |
7 | 42206553305 |
oct | 11071114377 |
9 | 3136154512 |
10 | 1222940927 |
11 | 57835568a |
12 | 2a168853b |
13 | 1664973b0 |
14 | b85c2275 |
15 | 7256cd02 |
hex | 48e498ff |
1222940927 has 8 divisors (see below), whose sum is σ = 1319992464. Its totient is φ = 1126315008.
The previous prime is 1222940899. The next prime is 1222940959. The reversal of 1222940927 is 7290492221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1222940927 - 26 = 1222940863 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222940977) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100418 + ... + 111935.
It is an arithmetic number, because the mean of its divisors is an integer number (164999058).
Almost surely, 21222940927 is an apocalyptic number.
1222940927 is a deficient number, since it is larger than the sum of its proper divisors (97051537).
1222940927 is a wasteful number, since it uses less digits than its factorization.
1222940927 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212809.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 1222940927 is about 34970.5723001497. The cubic root of 1222940927 is about 1069.3876389567.
The spelling of 1222940927 in words is "one billion, two hundred twenty-two million, nine hundred forty thousand, nine hundred twenty-seven".
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