Base | Representation |
---|---|
bin | 1001001111010… |
… | …0000111100001 |
3 | 2200220122010212 |
4 | 2103310013201 |
5 | 34404424031 |
6 | 3502303505 |
7 | 650233541 |
oct | 223640741 |
9 | 80818125 |
10 | 38748641 |
11 | 1a966478 |
12 | 10b87b95 |
13 | 80490b9 |
14 | 5209321 |
15 | 360612b |
hex | 24f41e1 |
38748641 has 4 divisors (see below), whose sum is σ = 38767872. Its totient is φ = 38729412.
The previous prime is 38748637. The next prime is 38748653. The reversal of 38748641 is 14684783.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 38748641 - 22 = 38748637 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38748601) 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, 6185 + ... + 10758.
It is an arithmetic number, because the mean of its divisors is an integer number (9691968).
Almost surely, 238748641 is an apocalyptic number.
It is an amenable number.
38748641 is a deficient number, since it is larger than the sum of its proper divisors (19231).
38748641 is a wasteful number, since it uses less digits than its factorization.
38748641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19230.
The product of its digits is 129024, while the sum is 41.
The square root of 38748641 is about 6224.8406405305. The cubic root of 38748641 is about 338.3910166127.
The spelling of 38748641 in words is "thirty-eight million, seven hundred forty-eight thousand, six hundred forty-one".
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