Base | Representation |
---|---|
bin | 10100110001000… |
… | …000001011000111 |
3 | 220021120001100120 |
4 | 110301000023013 |
5 | 1203141440322 |
6 | 54323113023 |
7 | 11430160353 |
oct | 2461001307 |
9 | 807501316 |
10 | 348390087 |
11 | 1697256a1 |
12 | 98812773 |
13 | 572414a6 |
14 | 343ac463 |
15 | 208bba5c |
hex | 14c402c7 |
348390087 has 4 divisors (see below), whose sum is σ = 464520120. Its totient is φ = 232260056.
The previous prime is 348390073. The next prime is 348390089. The reversal of 348390087 is 780093843.
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 348390087 - 24 = 348390071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (348390089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58065012 + ... + 58065017.
It is an arithmetic number, because the mean of its divisors is an integer number (116130030).
Almost surely, 2348390087 is an apocalyptic number.
348390087 is a deficient number, since it is larger than the sum of its proper divisors (116130033).
348390087 is a wasteful number, since it uses less digits than its factorization.
348390087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116130032.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 348390087 is about 18665.2106069018. The cubic root of 348390087 is about 703.6476848270.
The spelling of 348390087 in words is "three hundred forty-eight million, three hundred ninety thousand, eighty-seven".
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