Base | Representation |
---|---|
bin | 11010010010010… |
… | …01110001100011 |
3 | 120100220201102221 |
4 | 31021021301203 |
5 | 422422100024 |
6 | 33514051511 |
7 | 5315150203 |
oct | 1511116143 |
9 | 510821387 |
10 | 220503139 |
11 | 1035172aa |
12 | 61a19b97 |
13 | 368b573c |
14 | 213dc403 |
15 | 145593e4 |
hex | d249c63 |
220503139 has 8 divisors (see below), whose sum is σ = 232243200. Its totient is φ = 208942536.
The previous prime is 220503137. The next prime is 220503149. The reversal of 220503139 is 931305022.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220503139 - 21 = 220503137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220503133) 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, 42339 + ... + 47260.
It is an arithmetic number, because the mean of its divisors is an integer number (29030400).
Almost surely, 2220503139 is an apocalyptic number.
220503139 is a deficient number, since it is larger than the sum of its proper divisors (11740061).
220503139 is a wasteful number, since it uses less digits than its factorization.
220503139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89729.
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 220503139 is about 14849.3481001692. The cubic root of 220503139 is about 604.1409285862.
The spelling of 220503139 in words is "two hundred twenty million, five hundred three thousand, one hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •