Base | Representation |
---|---|
bin | 10100101111100… |
… | …011001001000001 |
3 | 220020211200122011 |
4 | 110233203021001 |
5 | 1203042242100 |
6 | 54311012521 |
7 | 11424012400 |
oct | 2457431101 |
9 | 806750564 |
10 | 348009025 |
11 | 169495371 |
12 | 9866a141 |
13 | 57139c00 |
14 | 3430d637 |
15 | 20843bba |
hex | 14be3241 |
348009025 has 81 divisors (see below), whose sum is σ = 557151003. Its totient is φ = 214905600.
The previous prime is 348009017. The next prime is 348009037. The reversal of 348009025 is 520900843.
The square root of 348009025 is 18655.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 315382081 + 32626944 = 17759^2 + 5712^2 .
It is not a de Polignac number, because 348009025 - 23 = 348009017 is a prime.
It is a super-2 number, since 2×3480090252 = 242220562962901250, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 8488005 + ... + 8488045.
Almost surely, 2348009025 is an apocalyptic number.
348009025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
348009025 is the 18655-th square number.
348009025 is the 9328-th centered octagonal number.
It is an amenable number.
348009025 is a deficient number, since it is larger than the sum of its proper divisors (209141978).
348009025 is a wasteful number, since it uses less digits than its factorization.
348009025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132 (or 66 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The cubic root of 348009025 is about 703.3910460542.
Adding to 348009025 its reverse (520900843), we get a palindrome (868909868).
The spelling of 348009025 in words is "three hundred forty-eight million, nine thousand, twenty-five".
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