Base | Representation |
---|---|
bin | 1001010000000… |
… | …0111000000110 |
3 | 2201000021211110 |
4 | 2110000320012 |
5 | 34413112102 |
6 | 3503345450 |
7 | 650542110 |
oct | 224007006 |
9 | 81007743 |
10 | 38800902 |
11 | 1a9a1768 |
12 | 10bb2286 |
13 | 8066b1a |
14 | 52203b0 |
15 | 361686c |
hex | 2500e06 |
38800902 has 64 divisors (see below), whose sum is σ = 96989184. Its totient is φ = 10091520.
The previous prime is 38800891. The next prime is 38800903. The reversal of 38800902 is 20900883.
It is a self number, because there is not a number n which added to its sum of digits gives 38800902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38800903) 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, 21258 + ... + 23010.
It is an arithmetic number, because the mean of its divisors is an integer number (1515456).
Almost surely, 238800902 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38800902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48494592).
38800902 is an abundant number, since it is smaller than the sum of its proper divisors (58188282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38800902 is a wasteful number, since it uses less digits than its factorization.
38800902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1813.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 38800902 is about 6229.0370042246. The cubic root of 38800902 is about 338.5430796518.
The spelling of 38800902 in words is "thirty-eight million, eight hundred thousand, nine hundred two".
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