Base | Representation |
---|---|
bin | 11111101010111… |
… | …100101010011001 |
3 | 1101000211111012202 |
4 | 133222330222121 |
5 | 2042011232332 |
6 | 124420415545 |
7 | 16111263554 |
oct | 3752745231 |
9 | 1330744182 |
10 | 531352217 |
11 | 252a30870 |
12 | 129b475b5 |
13 | 861116c6 |
14 | 507d769b |
15 | 319aca62 |
hex | 1fabca99 |
531352217 has 8 divisors (see below), whose sum is σ = 580085280. Its totient is φ = 482690560.
The previous prime is 531352207. The next prime is 531352229. The reversal of 531352217 is 712253135.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 531352217 - 218 = 531090073 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 531352217.
It is not an unprimeable number, because it can be changed into a prime (531352207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643 + ... + 32640.
It is an arithmetic number, because the mean of its divisors is an integer number (72510660).
Almost surely, 2531352217 is an apocalyptic number.
It is an amenable number.
531352217 is a deficient number, since it is larger than the sum of its proper divisors (48733063).
531352217 is a wasteful number, since it uses less digits than its factorization.
531352217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35703.
The product of its digits is 6300, while the sum is 29.
The square root of 531352217 is about 23051.0784346416. The cubic root of 531352217 is about 809.9548910509.
The spelling of 531352217 in words is "five hundred thirty-one million, three hundred fifty-two thousand, two hundred seventeen".
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