Base | Representation |
---|---|
bin | 10100101111100… |
… | …011111110001111 |
3 | 220020211212022022 |
4 | 110233203332033 |
5 | 1203042344211 |
6 | 54311040355 |
7 | 11424025334 |
oct | 2457437617 |
9 | 806755268 |
10 | 348012431 |
11 | 169497988 |
12 | 986700bb |
13 | 5713b620 |
14 | 3431098b |
15 | 20844bdb |
hex | 14be3f8f |
348012431 has 4 divisors (see below), whose sum is σ = 374782632. Its totient is φ = 321242232.
The previous prime is 348012419. The next prime is 348012433. The reversal of 348012431 is 134210843.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 348012431 - 210 = 348011407 is a prime.
It is a super-2 number, since 2×3480124312 = 242225304261059522, which contains 22 as substring.
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 348012431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (348012433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13385081 + ... + 13385106.
It is an arithmetic number, because the mean of its divisors is an integer number (93695658).
Almost surely, 2348012431 is an apocalyptic number.
348012431 is a deficient number, since it is larger than the sum of its proper divisors (26770201).
348012431 is a wasteful number, since it uses less digits than its factorization.
348012431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26770200.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 348012431 is about 18655.0912889752. The cubic root of 348012431 is about 703.3933407668.
The spelling of 348012431 in words is "three hundred forty-eight million, twelve thousand, four hundred thirty-one".
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