Base | Representation |
---|---|
bin | 1001001011011… |
… | …0000111010111 |
3 | 2200102201202212 |
4 | 2102312013113 |
5 | 34323312204 |
6 | 3453024035 |
7 | 645125246 |
oct | 222660727 |
9 | 80381685 |
10 | 38494679 |
11 | 1a802693 |
12 | 10a8501b |
13 | 7c8a622 |
14 | 518095d |
15 | 35a5c6e |
hex | 24b61d7 |
38494679 has 4 divisors (see below), whose sum is σ = 38522976. Its totient is φ = 38466384.
The previous prime is 38494661. The next prime is 38494691. The reversal of 38494679 is 97649483.
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 38494679 - 212 = 38490583 is a prime.
It is a super-2 number, since 2×384946792 = 2963680622626082, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38494619) 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, 11999 + ... + 14864.
It is an arithmetic number, because the mean of its divisors is an integer number (9630744).
Almost surely, 238494679 is an apocalyptic number.
38494679 is a deficient number, since it is larger than the sum of its proper divisors (28297).
38494679 is a wasteful number, since it uses less digits than its factorization.
38494679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28296.
The product of its digits is 1306368, while the sum is 50.
The square root of 38494679 is about 6204.4080297801. The cubic root of 38494679 is about 337.6501141090.
The spelling of 38494679 in words is "thirty-eight million, four hundred ninety-four thousand, six hundred seventy-nine".
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