Base | Representation |
---|---|
bin | 11111101001110… |
… | …000011111111110 |
3 | 1101000020122021120 |
4 | 133221300133332 |
5 | 2041421242004 |
6 | 124410011410 |
7 | 16105524213 |
oct | 3751603776 |
9 | 1330218246 |
10 | 531040254 |
11 | 252838448 |
12 | 129a16b66 |
13 | 86032704 |
14 | 50755b0a |
15 | 3194a3d9 |
hex | 1fa707fe |
531040254 has 32 divisors (see below), whose sum is σ = 1131752736. Its totient is φ = 165534720.
The previous prime is 531040217. The next prime is 531040267. The reversal of 531040254 is 452040135.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567 + ... + 32594.
It is an arithmetic number, because the mean of its divisors is an integer number (35367273).
Almost surely, 2531040254 is an apocalyptic number.
531040254 is an abundant number, since it is smaller than the sum of its proper divisors (600712482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531040254 is a wasteful number, since it uses less digits than its factorization.
531040254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33340.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 531040254 is about 23044.3106644569. The cubic root of 531040254 is about 809.7963487411.
Adding to 531040254 its reverse (452040135), we get a palindrome (983080389).
The spelling of 531040254 in words is "five hundred thirty-one million, forty thousand, two hundred fifty-four".
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