Base | Representation |
---|---|
bin | 11010100100010… |
… | …11010100011001 |
3 | 120112100220110120 |
4 | 31102023110121 |
5 | 424023300021 |
6 | 34040503453 |
7 | 5344232103 |
oct | 1522132431 |
9 | 515326416 |
10 | 222868761 |
11 | 104892665 |
12 | 6277ab89 |
13 | 3723340b |
14 | 21856573 |
15 | 148752c6 |
hex | d48b519 |
222868761 has 8 divisors (see below), whose sum is σ = 297279840. Its totient is φ = 148518432.
The previous prime is 222868753. The next prime is 222868769. The reversal of 222868761 is 167868222.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (222868753) and next prime (222868769).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 222868761 - 23 = 222868753 is a prime.
It is not an unprimeable number, because it can be changed into a prime (222868769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5796 + ... + 21893.
It is an arithmetic number, because the mean of its divisors is an integer number (37159980).
Almost surely, 2222868761 is an apocalyptic number.
It is an amenable number.
222868761 is a deficient number, since it is larger than the sum of its proper divisors (74411079).
222868761 is a wasteful number, since it uses less digits than its factorization.
222868761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30375.
The product of its digits is 129024, while the sum is 42.
The square root of 222868761 is about 14928.7896696283. The cubic root of 222868761 is about 606.2937149758.
The spelling of 222868761 in words is "two hundred twenty-two million, eight hundred sixty-eight thousand, seven hundred sixty-one".
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