Base | Representation |
---|---|
bin | 111110010101… |
… | …111100101111 |
3 | 1010202022011001 |
4 | 332111330233 |
5 | 13140432311 |
6 | 1342141131 |
7 | 255624511 |
oct | 76257457 |
9 | 33668131 |
10 | 16342831 |
11 | 925267a |
12 | 55817a7 |
13 | 350291b |
14 | 2255bb1 |
15 | 167c4c1 |
hex | f95f2f |
16342831 has 12 divisors (see below), whose sum is σ = 18269712. Its totient is φ = 14566464.
The previous prime is 16342829. The next prime is 16342847. The reversal of 16342831 is 13824361.
It is not a de Polignac number, because 16342831 - 21 = 16342829 is a prime.
It is a super-2 number, since 2×163428312 = 534176250189122, 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 16342831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16342801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4806 + ... + 7468.
It is an arithmetic number, because the mean of its divisors is an integer number (1522476).
Almost surely, 216342831 is an apocalyptic number.
16342831 is a deficient number, since it is larger than the sum of its proper divisors (1926881).
16342831 is a wasteful number, since it uses less digits than its factorization.
16342831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2718 (or 2699 counting only the distinct ones).
The product of its digits is 3456, while the sum is 28.
The square root of 16342831 is about 4042.6267450755. The cubic root of 16342831 is about 253.7712564396.
It can be divided in two parts, 1634 and 2831, that added together give a triangular number (4465 = T94).
The spelling of 16342831 in words is "sixteen million, three hundred forty-two thousand, eight hundred thirty-one".
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