Base | Representation |
---|---|
bin | 111110110101100… |
… | …010100001011111 |
3 | 2201110201001022020 |
4 | 332311202201133 |
5 | 4124340104211 |
6 | 252335351223 |
7 | 35060512533 |
oct | 7665424137 |
9 | 2643631266 |
10 | 1054222431 |
11 | 4a1098a09 |
12 | 255082513 |
13 | 13a543472 |
14 | a0023bc3 |
15 | 62842306 |
hex | 3ed6285f |
1054222431 has 4 divisors (see below), whose sum is σ = 1405629912. Its totient is φ = 702814952.
The previous prime is 1054222409. The next prime is 1054222441. The reversal of 1054222431 is 1342224501.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1054222431 - 210 = 1054221407 is a prime.
It is a super-2 number, since 2×10542224312 = 2222769868047099522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1054222441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175703736 + ... + 175703741.
It is an arithmetic number, because the mean of its divisors is an integer number (351407478).
Almost surely, 21054222431 is an apocalyptic number.
1054222431 is a deficient number, since it is larger than the sum of its proper divisors (351407481).
1054222431 is an equidigital number, since it uses as much as digits as its factorization.
1054222431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351407480.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 1054222431 is about 32468.7916467490. The cubic root of 1054222431 is about 1017.7569674575.
Adding to 1054222431 its reverse (1342224501), we get a palindrome (2396446932).
The spelling of 1054222431 in words is "one billion, fifty-four million, two hundred twenty-two thousand, four hundred thirty-one".
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