Base | Representation |
---|---|
bin | 11111101010011… |
… | …110110101100111 |
3 | 1101000121021122020 |
4 | 133222132311213 |
5 | 2041443330210 |
6 | 124414034223 |
7 | 16110244446 |
oct | 3752366547 |
9 | 1330537566 |
10 | 531230055 |
11 | 252958004 |
12 | 129aa8973 |
13 | 8609ac15 |
14 | 507a4d5d |
15 | 31986770 |
hex | 1fa9ed67 |
531230055 has 8 divisors (see below), whose sum is σ = 849968112. Its totient is φ = 283322688.
The previous prime is 531230047. The next prime is 531230083. The reversal of 531230055 is 550032135.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 531230055 - 23 = 531230047 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17707654 + ... + 17707683.
It is an arithmetic number, because the mean of its divisors is an integer number (106246014).
Almost surely, 2531230055 is an apocalyptic number.
531230055 is a deficient number, since it is larger than the sum of its proper divisors (318738057).
531230055 is a wasteful number, since it uses less digits than its factorization.
531230055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35415345.
The product of its (nonzero) digits is 2250, while the sum is 24.
The square root of 531230055 is about 23048.4284713731. The cubic root of 531230055 is about 809.8928146541.
The spelling of 531230055 in words is "five hundred thirty-one million, two hundred thirty thousand, fifty-five".
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