Base | Representation |
---|---|
bin | 1001001000010… |
… | …0010011000110 |
3 | 2200001100212111 |
4 | 2102010103012 |
5 | 34300300010 |
6 | 3444411234 |
7 | 643315330 |
oct | 222042306 |
9 | 80040774 |
10 | 38290630 |
11 | 1a683354 |
12 | 109a6b1a |
13 | 7c187a1 |
14 | 512a450 |
15 | 356558a |
hex | 24844c6 |
38290630 has 64 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 11810304.
The previous prime is 38290591. The next prime is 38290633. The reversal of 38290630 is 3609283.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 38290592 and 38290601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38290633) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26671 + ... + 28069.
It is an arithmetic number, because the mean of its divisors is an integer number (1360800).
Almost surely, 238290630 is an apocalyptic number.
38290630 is an abundant number, since it is smaller than the sum of its proper divisors (48800570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38290630 is a wasteful number, since it uses less digits than its factorization.
38290630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1453.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 38290630 is about 6187.9423074234. The cubic root of 38290630 is about 337.0524621370.
The spelling of 38290630 in words is "thirty-eight million, two hundred ninety thousand, six hundred thirty".
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