Base | Representation |
---|---|
bin | 1000001000000… |
… | …01110011101010 |
3 | 11202021010120210 |
4 | 10010001303222 |
5 | 114422233332 |
6 | 10433001550 |
7 | 1455251214 |
oct | 404016352 |
9 | 152233523 |
10 | 68164842 |
11 | 35528289 |
12 | 1a9b32b6 |
13 | 11178435 |
14 | 90a55b4 |
15 | 5eb6ecc |
hex | 4101cea |
68164842 has 8 divisors (see below), whose sum is σ = 136329696. Its totient is φ = 22721612.
The previous prime is 68164793. The next prime is 68164861. The reversal of 68164842 is 24846186.
It is a sphenic number, since it is the product of 3 distinct primes.
68164842 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 68164842.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5680398 + ... + 5680409.
It is an arithmetic number, because the mean of its divisors is an integer number (17041212).
Almost surely, 268164842 is an apocalyptic number.
68164842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68164842 is a wasteful number, since it uses less digits than its factorization.
68164842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11360812.
The product of its digits is 73728, while the sum is 39.
The square root of 68164842 is about 8256.2002155955. The cubic root of 68164842 is about 408.4950617815.
It can be divided in two parts, 68164 and 842, that added together give a triangular number (69006 = T371).
The spelling of 68164842 in words is "sixty-eight million, one hundred sixty-four thousand, eight hundred forty-two".
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