Base | Representation |
---|---|
bin | 111011111011… |
… | …1011010011000 |
3 | 2012010102000122 |
4 | 1313313122120 |
5 | 31021001404 |
6 | 3041252412 |
7 | 531040430 |
oct | 167673230 |
9 | 65112018 |
10 | 31422104 |
11 | 1681198a |
12 | a634108 |
13 | 668237c |
14 | 425d2c0 |
15 | 2b5a3be |
hex | 1df7698 |
31422104 has 16 divisors (see below), whose sum is σ = 67333200. Its totient is φ = 13466592.
The previous prime is 31422101. The next prime is 31422151. The reversal of 31422104 is 40122413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31422101) 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, 280499 + ... + 280610.
It is an arithmetic number, because the mean of its divisors is an integer number (4208325).
Almost surely, 231422104 is an apocalyptic number.
It is an amenable number.
31422104 is an abundant number, since it is smaller than the sum of its proper divisors (35911096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31422104 is a wasteful number, since it uses less digits than its factorization.
31422104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 561122 (or 561118 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 31422104 is about 5605.5422574449. The cubic root of 31422104 is about 315.5574374093.
Adding to 31422104 its reverse (40122413), we get a palindrome (71544517).
The spelling of 31422104 in words is "thirty-one million, four hundred twenty-two thousand, one hundred four".
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