Base | Representation |
---|---|
bin | 1000001001110… |
… | …10110110011111 |
3 | 11202201000002121 |
4 | 10010322312133 |
5 | 120002222440 |
6 | 10442003411 |
7 | 1460243344 |
oct | 404726637 |
9 | 152630077 |
10 | 68398495 |
11 | 35677890 |
12 | 1aaa6567 |
13 | 1122a8a9 |
14 | 91267cb |
15 | 601134a |
hex | 413ad9f |
68398495 has 8 divisors (see below), whose sum is σ = 89539920. Its totient is φ = 49744320.
The previous prime is 68398469. The next prime is 68398529. The reversal of 68398495 is 59489386.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-68398495 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621750 + ... + 621859.
It is an arithmetic number, because the mean of its divisors is an integer number (11192490).
Almost surely, 268398495 is an apocalyptic number.
68398495 is a deficient number, since it is larger than the sum of its proper divisors (21141425).
68398495 is a wasteful number, since it uses less digits than its factorization.
68398495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1243625.
The product of its digits is 1866240, while the sum is 52.
The square root of 68398495 is about 8270.3382639406. The cubic root of 68398495 is about 408.9612710741.
The spelling of 68398495 in words is "sixty-eight million, three hundred ninety-eight thousand, four hundred ninety-five".
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