Base | Representation |
---|---|
bin | 1001010101101001… |
… | …0100011001101001 |
3 | 20110200210210010000 |
4 | 2111122110121221 |
5 | 20113204020424 |
6 | 1052423213213 |
7 | 116055431232 |
oct | 22532243151 |
9 | 6420723100 |
10 | 2506704489 |
11 | 1076a73203 |
12 | 59b5a7209 |
13 | 30c438cc3 |
14 | 19acb8089 |
15 | ea1023c9 |
hex | 95694669 |
2506704489 has 15 divisors (see below), whose sum is σ = 3745256493. Its totient is φ = 1670835924.
The previous prime is 2506704469. The next prime is 2506704509. The reversal of 2506704489 is 9844076052.
It is a happy number.
The square root of 2506704489 is 50067.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (2506704469) and next prime (2506704509).
It is not a de Polignac number, because 2506704489 - 211 = 2506702441 is a prime.
It is a super-2 number, since 2×25067044892 = 12567134790345502242, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2506704469) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 447822 + ... + 453384.
Almost surely, 22506704489 is an apocalyptic number.
2506704489 is the 50067-th square number.
2506704489 is the 25034-th centered octagonal number.
It is an amenable number.
2506704489 is a deficient number, since it is larger than the sum of its proper divisors (1238552004).
2506704489 is an frugal number, since it uses more digits than its factorization.
2506704489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11138 (or 5566 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The cubic root of 2506704489 is about 1358.4209775491.
The spelling of 2506704489 in words is "two billion, five hundred six million, seven hundred four thousand, four hundred eighty-nine".
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