Base | Representation |
---|---|
bin | 1001001011010… |
… | …1111110110011 |
3 | 2200102201000120 |
4 | 2102311332303 |
5 | 34323303011 |
6 | 3453021323 |
7 | 645123534 |
oct | 222657663 |
9 | 80381016 |
10 | 38494131 |
11 | 1a802235 |
12 | 10a84843 |
13 | 7c8a2c0 |
14 | 518068b |
15 | 35a5a06 |
hex | 24b5fb3 |
38494131 has 8 divisors (see below), whose sum is σ = 55273680. Its totient is φ = 23688672.
The previous prime is 38494109. The next prime is 38494139. The reversal of 38494131 is 13149483.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38494131 - 26 = 38494067 is a prime.
It is a super-2 number, since 2×384941312 = 2963596242890322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38494092 and 38494101.
It is not an unprimeable number, because it can be changed into a prime (38494139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493476 + ... + 493553.
It is an arithmetic number, because the mean of its divisors is an integer number (6909210).
Almost surely, 238494131 is an apocalyptic number.
38494131 is a deficient number, since it is larger than the sum of its proper divisors (16779549).
38494131 is a wasteful number, since it uses less digits than its factorization.
38494131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 987045.
The product of its digits is 10368, while the sum is 33.
The square root of 38494131 is about 6204.3638674726. The cubic root of 38494131 is about 337.6485118691.
The spelling of 38494131 in words is "thirty-eight million, four hundred ninety-four thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •