Base | Representation |
---|---|
bin | 1000000111001… |
… | …10000000000101 |
3 | 11202001100100112 |
4 | 10003212000011 |
5 | 114410112244 |
6 | 10430322405 |
7 | 1454265161 |
oct | 403460005 |
9 | 152040315 |
10 | 68050949 |
11 | 3545a75a |
12 | 1a959405 |
13 | 11138645 |
14 | 9075ca1 |
15 | 5e9339e |
hex | 40e6005 |
68050949 has 4 divisors (see below), whose sum is σ = 72053964. Its totient is φ = 64047936.
The previous prime is 68050943. The next prime is 68050999. The reversal of 68050949 is 94905086.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 24820324 + 43230625 = 4982^2 + 6575^2 .
It is a cyclic number.
It is not a de Polignac number, because 68050949 - 24 = 68050933 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68050943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001482 + ... + 2001515.
It is an arithmetic number, because the mean of its divisors is an integer number (18013491).
Almost surely, 268050949 is an apocalyptic number.
It is an amenable number.
68050949 is a deficient number, since it is larger than the sum of its proper divisors (4003015).
68050949 is a wasteful number, since it uses less digits than its factorization.
68050949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4003014.
The product of its (nonzero) digits is 77760, while the sum is 41.
The square root of 68050949 is about 8249.2999096893. The cubic root of 68050949 is about 408.2674240791.
The spelling of 68050949 in words is "sixty-eight million, fifty thousand, nine hundred forty-nine".
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