Base | Representation |
---|---|
bin | 11111101001101… |
… | …001010010110110 |
3 | 1101000012010210112 |
4 | 133221221102312 |
5 | 2041414320432 |
6 | 124405223022 |
7 | 16105342163 |
oct | 3751512266 |
9 | 1330163715 |
10 | 531010742 |
11 | 252818259 |
12 | 129a01a72 |
13 | 86022152 |
14 | 5074906a |
15 | 319417b2 |
hex | 1fa694b6 |
531010742 has 16 divisors (see below), whose sum is σ = 847661760. Its totient is φ = 248615808.
The previous prime is 531010699. The next prime is 531010769. The reversal of 531010742 is 247010135.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32942 + ... + 46337.
It is an arithmetic number, because the mean of its divisors is an integer number (52978860).
Almost surely, 2531010742 is an apocalyptic number.
531010742 is a deficient number, since it is larger than the sum of its proper divisors (316651018).
531010742 is a wasteful number, since it uses less digits than its factorization.
531010742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79495.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 531010742 is about 23043.6703239740. The cubic root of 531010742 is about 809.7813472715.
Adding to 531010742 its reverse (247010135), we get a palindrome (778020877).
The spelling of 531010742 in words is "five hundred thirty-one million, ten thousand, seven hundred forty-two".
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