Base | Representation |
---|---|
bin | 11010001111000… |
… | …00000101100111 |
3 | 120100002201121220 |
4 | 31013200011213 |
5 | 422314221442 |
6 | 33500511423 |
7 | 5311365135 |
oct | 1507400547 |
9 | 510081556 |
10 | 220070247 |
11 | 103251041 |
12 | 6184b573 |
13 | 367936a7 |
14 | 21328755 |
15 | 144c0eec |
hex | d1e0167 |
220070247 has 16 divisors (see below), whose sum is σ = 301771008. Its totient is φ = 142569920.
The previous prime is 220070239. The next prime is 220070281. The reversal of 220070247 is 742070022.
It is a cyclic number.
It is not a de Polignac number, because 220070247 - 23 = 220070239 is a prime.
It is a super-2 number, since 2×2200702472 = 96861827229282018, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220070047) 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 15 ways as a sum of consecutive naturals, for example, 28948 + ... + 35750.
It is an arithmetic number, because the mean of its divisors is an integer number (18860688).
Almost surely, 2220070247 is an apocalyptic number.
220070247 is a deficient number, since it is larger than the sum of its proper divisors (81700761).
220070247 is a wasteful number, since it uses less digits than its factorization.
220070247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7110.
The product of its (nonzero) digits is 1568, while the sum is 24.
The square root of 220070247 is about 14834.7648110781. The cubic root of 220070247 is about 603.7453195459.
The spelling of 220070247 in words is "two hundred twenty million, seventy thousand, two hundred forty-seven".
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