Base | Representation |
---|---|
bin | 100101100001010… |
… | …011101001010101 |
3 | 1121212111022111021 |
4 | 211201103221111 |
5 | 2242122110323 |
6 | 142244041141 |
7 | 21412363414 |
oct | 4541235125 |
9 | 1555438437 |
10 | 629488213 |
11 | 2a33698a2 |
12 | 1569931b1 |
13 | a0551943 |
14 | 5d86147b |
15 | 3a3e505d |
hex | 25853a55 |
629488213 has 2 divisors, whose sum is σ = 629488214. Its totient is φ = 629488212.
The previous prime is 629488157. The next prime is 629488231. The reversal of 629488213 is 312884926.
Together with next prime (629488231) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 568679409 + 60808804 = 23847^2 + 7798^2 .
It is a cyclic number.
It is not a de Polignac number, because 629488213 - 29 = 629487701 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 629488213.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (629488243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314744106 + 314744107.
It is an arithmetic number, because the mean of its divisors is an integer number (314744107).
Almost surely, 2629488213 is an apocalyptic number.
It is an amenable number.
629488213 is a deficient number, since it is larger than the sum of its proper divisors (1).
629488213 is an equidigital number, since it uses as much as digits as its factorization.
629488213 is an evil number, because the sum of its binary digits is even.
The product of its digits is 165888, while the sum is 43.
The square root of 629488213 is about 25089.6036835977. The cubic root of 629488213 is about 857.0296901639.
The spelling of 629488213 in words is "six hundred twenty-nine million, four hundred eighty-eight thousand, two hundred thirteen".
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