Base | Representation |
---|---|
bin | 111110111010001… |
… | …110100001011111 |
3 | 2201120000110220100 |
4 | 332322032201133 |
5 | 4130143414411 |
6 | 252421552143 |
7 | 35104121202 |
oct | 7672164137 |
9 | 2646013810 |
10 | 1055451231 |
11 | 4a185814a |
12 | 255575653 |
13 | 13a883873 |
14 | a0263939 |
15 | 629d6456 |
hex | 3ee8e85f |
1055451231 has 6 divisors (see below), whose sum is σ = 1524540680. Its totient is φ = 703634148.
The previous prime is 1055451227. The next prime is 1055451253. The reversal of 1055451231 is 1321545501.
1055451231 is a `hidden beast` number, since 105 + 545 + 12 + 3 + 1 = 666.
It is not a de Polignac number, because 1055451231 - 22 = 1055451227 is a prime.
It is a super-2 number, since 2×10554512312 = 2227954602038830722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1055451195 and 1055451204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1055451031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58636171 + ... + 58636188.
Almost surely, 21055451231 is an apocalyptic number.
1055451231 is a deficient number, since it is larger than the sum of its proper divisors (469089449).
1055451231 is a wasteful number, since it uses less digits than its factorization.
1055451231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117272365 (or 117272362 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The square root of 1055451231 is about 32487.7089219908. The cubic root of 1055451231 is about 1018.1522458898.
Adding to 1055451231 its reverse (1321545501), we get a palindrome (2376996732).
The spelling of 1055451231 in words is "one billion, fifty-five million, four hundred fifty-one thousand, two hundred thirty-one".
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