Base | Representation |
---|---|
bin | 101010101001011… |
… | …1100110101010100 |
3 | 10200201201220122202 |
4 | 1111102330311110 |
5 | 10412320443444 |
6 | 353555544032 |
7 | 50314364255 |
oct | 12522746524 |
9 | 3621656582 |
10 | 1431031124 |
11 | 674863956 |
12 | 33b2bb018 |
13 | 19a624ba3 |
14 | d80acb2c |
15 | 8597434e |
hex | 554bcd54 |
1431031124 has 12 divisors (see below), whose sum is σ = 2506091700. Its totient is φ = 715004928.
The previous prime is 1431031109. The next prime is 1431031127. The reversal of 1431031124 is 4211301341.
It can be written as a sum of positive squares in 2 ways, for example, as 711182224 + 719848900 = 26668^2 + 26830^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1431031096 and 1431031105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431031127) 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, 121319 + ... + 132590.
It is an arithmetic number, because the mean of its divisors is an integer number (208840975).
Almost surely, 21431031124 is an apocalyptic number.
It is an amenable number.
1431031124 is a deficient number, since it is larger than the sum of its proper divisors (1075060576).
1431031124 is a wasteful number, since it uses less digits than its factorization.
1431031124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255322 (or 255320 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 1431031124 is about 37828.9720188112. The cubic root of 1431031124 is about 1126.8938960630.
Adding to 1431031124 its reverse (4211301341), we get a palindrome (5642332465).
The spelling of 1431031124 in words is "one billion, four hundred thirty-one million, thirty-one thousand, one hundred twenty-four".
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