Base | Representation |
---|---|
bin | 100011110001010… |
… | …0000011110001111 |
3 | 10002122102220121202 |
4 | 1013202200132033 |
5 | 4424224300424 |
6 | 315033020115 |
7 | 41512525460 |
oct | 10742403617 |
9 | 3078386552 |
10 | 1200228239 |
11 | 566552271 |
12 | 295b5463b |
13 | 161874332 |
14 | b558cd67 |
15 | 705832ae |
hex | 478a078f |
1200228239 has 8 divisors (see below), whose sum is σ = 1385831328. Its totient is φ = 1018160640.
The previous prime is 1200228229. The next prime is 1200228241. The reversal of 1200228239 is 9328220021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1200228239 - 212 = 1200224143 is a prime.
It is a super-2 number, since 2×12002282392 = 2881095651386082242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200228229) 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, 883142 + ... + 884499.
It is an arithmetic number, because the mean of its divisors is an integer number (173228916).
Almost surely, 21200228239 is an apocalyptic number.
1200228239 is a deficient number, since it is larger than the sum of its proper divisors (185603089).
1200228239 is an equidigital number, since it uses as much as digits as its factorization.
1200228239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1767745.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 1200228239 is about 34644.3103409492. The cubic root of 1200228239 is about 1062.7259371698.
The spelling of 1200228239 in words is "one billion, two hundred million, two hundred twenty-eight thousand, two hundred thirty-nine".
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