Base | Representation |
---|---|
bin | 1001000100110… |
… | …1110011011101 |
3 | 2122122000200111 |
4 | 2101031303131 |
5 | 34221124141 |
6 | 3435530021 |
7 | 641365510 |
oct | 221156335 |
9 | 78560614 |
10 | 38067421 |
11 | 1a540687 |
12 | 108b9911 |
13 | 7b6b002 |
14 | 50acd77 |
15 | 351e381 |
hex | 244dcdd |
38067421 has 8 divisors (see below), whose sum is σ = 43838784. Its totient is φ = 32379360.
The previous prime is 38067391. The next prime is 38067443. The reversal of 38067421 is 12476083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38067421 - 25 = 38067389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38067451) 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, 19840 + ... + 21673.
It is an arithmetic number, because the mean of its divisors is an integer number (5479848).
Almost surely, 238067421 is an apocalyptic number.
It is an amenable number.
38067421 is a deficient number, since it is larger than the sum of its proper divisors (5771363).
38067421 is a wasteful number, since it uses less digits than its factorization.
38067421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41651.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 38067421 is about 6169.8801447030. The cubic root of 38067421 is about 336.3962545587.
The spelling of 38067421 in words is "thirty-eight million, sixty-seven thousand, four hundred twenty-one".
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