Base | Representation |
---|---|
bin | 1001001001100… |
… | …0101010000101 |
3 | 2200012121021001 |
4 | 2102120222011 |
5 | 34310432041 |
6 | 3450253301 |
7 | 644113420 |
oct | 222305205 |
9 | 80177231 |
10 | 38374021 |
11 | 1a72aa74 |
12 | 10a27231 |
13 | 7c4772a |
14 | 514c9b7 |
15 | 3580131 |
hex | 2498a85 |
38374021 has 8 divisors (see below), whose sum is σ = 43915904. Its totient is φ = 32847120.
The previous prime is 38374003. The next prime is 38374027. The reversal of 38374021 is 12047383.
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 38374021 - 213 = 38365829 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 (38374027) 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, 2431 + ... + 9091.
It is an arithmetic number, because the mean of its divisors is an integer number (5489488).
Almost surely, 238374021 is an apocalyptic number.
It is an amenable number.
38374021 is a deficient number, since it is larger than the sum of its proper divisors (5541883).
38374021 is an equidigital number, since it uses as much as digits as its factorization.
38374021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7491.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 38374021 is about 6194.6768277288. The cubic root of 38374021 is about 337.2969672305.
The spelling of 38374021 in words is "thirty-eight million, three hundred seventy-four thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •