Base | Representation |
---|---|
bin | 111110110111000… |
… | …110001000111101 |
3 | 2201111110210000110 |
4 | 332313012020331 |
5 | 4124441133321 |
6 | 252352220233 |
7 | 35064132243 |
oct | 7667061075 |
9 | 2644423013 |
10 | 1054630461 |
11 | 4a1347525 |
12 | 25523a679 |
13 | 13a6570c1 |
14 | a00cc793 |
15 | 628c3176 |
hex | 3edc623d |
1054630461 has 4 divisors (see below), whose sum is σ = 1406173952. Its totient is φ = 703086972.
The previous prime is 1054630459. The next prime is 1054630471. The reversal of 1054630461 is 1640364501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1640364501 = 3 ⋅546788167.
It is not a de Polignac number, because 1054630461 - 21 = 1054630459 is a prime.
It is a super-2 number, since 2×10546304612 = 2224490818538145042, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1054630441) 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, 175771741 + ... + 175771746.
It is an arithmetic number, because the mean of its divisors is an integer number (351543488).
Almost surely, 21054630461 is an apocalyptic number.
It is an amenable number.
1054630461 is a deficient number, since it is larger than the sum of its proper divisors (351543491).
1054630461 is an equidigital number, since it uses as much as digits as its factorization.
1054630461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351543490.
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 1054630461 is about 32475.0744571895. The cubic root of 1054630461 is about 1017.8882559466. Note that the first 3 decimals are identical.
Adding to 1054630461 its reverse (1640364501), we get a palindrome (2694994962).
The spelling of 1054630461 in words is "one billion, fifty-four million, six hundred thirty thousand, four hundred sixty-one".
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