Base | Representation |
---|---|
bin | 1010110010001… |
… | …1110011100111 |
3 | 10011010012100100 |
4 | 2230203303213 |
5 | 43040013211 |
6 | 4253315143 |
7 | 1056331503 |
oct | 254436347 |
9 | 104105310 |
10 | 45235431 |
11 | 2359705a |
12 | 13195ab3 |
13 | 94aa837 |
14 | 6017303 |
15 | 3e88156 |
hex | 2b23ce7 |
45235431 has 6 divisors (see below), whose sum is σ = 65340080. Its totient is φ = 30156948.
The previous prime is 45235429. The next prime is 45235433. The reversal of 45235431 is 13453254.
It is an interprime number because it is at equal distance from previous prime (45235429) and next prime (45235433).
It is not a de Polignac number, because 45235431 - 21 = 45235429 is a prime.
It is a super-2 number, since 2×452354312 = 4092488435511522, 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 = 45235395 and 45235404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45235433) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2513071 + ... + 2513088.
Almost surely, 245235431 is an apocalyptic number.
45235431 is a deficient number, since it is larger than the sum of its proper divisors (20104649).
45235431 is a wasteful number, since it uses less digits than its factorization.
45235431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5026165 (or 5026162 counting only the distinct ones).
The product of its digits is 7200, while the sum is 27.
The square root of 45235431 is about 6725.7290311163. The cubic root of 45235431 is about 356.3085503028.
Adding to 45235431 its reverse (13453254), we get a palindrome (58688685).
The spelling of 45235431 in words is "forty-five million, two hundred thirty-five thousand, four hundred thirty-one".
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