Base | Representation |
---|---|
bin | 11010100011110… |
… | …10100010000001 |
3 | 120112020102010220 |
4 | 31101322202001 |
5 | 424014100001 |
6 | 34035213253 |
7 | 5343524454 |
oct | 1521724201 |
9 | 515212126 |
10 | 222800001 |
11 | 104845a36 |
12 | 62747229 |
13 | 3720b028 |
14 | 2183949b |
15 | 1485ec36 |
hex | d47a881 |
222800001 has 8 divisors (see below), whose sum is σ = 299843424. Its totient is φ = 147144960.
The previous prime is 222799981. The next prime is 222800003. The reversal of 222800001 is 100008222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 222800001 - 26 = 222799937 is a prime.
It is not an unprimeable number, because it can be changed into a prime (222800003) 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, 346720 + ... + 347361.
It is an arithmetic number, because the mean of its divisors is an integer number (37480428).
Almost surely, 2222800001 is an apocalyptic number.
It is an amenable number.
222800001 is a deficient number, since it is larger than the sum of its proper divisors (77043423).
222800001 is a wasteful number, since it uses less digits than its factorization.
222800001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694191.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 222800001 is about 14926.4865591337. The cubic root of 222800001 is about 606.2313568363.
Adding to 222800001 its reverse (100008222), we get a palindrome (322808223).
The spelling of 222800001 in words is "two hundred twenty-two million, eight hundred thousand, one".
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