Base | Representation |
---|---|
bin | 1001001001111… |
… | …0110000011111 |
3 | 2200020212112110 |
4 | 2102132300133 |
5 | 34312232012 |
6 | 3451005103 |
7 | 644246313 |
oct | 222366037 |
9 | 80225473 |
10 | 38399007 |
11 | 1a747819 |
12 | 10a39793 |
13 | 7c55c0a |
14 | 5157b43 |
15 | 358773c |
hex | 249ec1f |
38399007 has 8 divisors (see below), whose sum is σ = 52582576. Its totient is φ = 24907392.
The previous prime is 38399003. The next prime is 38399027. The reversal of 38399007 is 70099383.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38399007 - 22 = 38399003 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 (38399003) 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, 172858 + ... + 173079.
It is an arithmetic number, because the mean of its divisors is an integer number (6572822).
Almost surely, 238399007 is an apocalyptic number.
38399007 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
38399007 is a deficient number, since it is larger than the sum of its proper divisors (14183569).
38399007 is a wasteful number, since it uses less digits than its factorization.
38399007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345977.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 38399007 is about 6196.6932310709. The cubic root of 38399007 is about 337.3701580101.
The spelling of 38399007 in words is "thirty-eight million, three hundred ninety-nine thousand, seven".
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