Base | Representation |
---|---|
bin | 1001010010000… |
… | …1011110110010 |
3 | 2201021002000200 |
4 | 2110201132302 |
5 | 34431400300 |
6 | 3510300030 |
7 | 651636342 |
oct | 224413662 |
9 | 81232020 |
10 | 38934450 |
11 | 1aa83035 |
12 | 11057616 |
13 | 80b2849 |
14 | 5256d22 |
15 | 3641200 |
hex | 25217b2 |
38934450 has 72 divisors (see below), whose sum is σ = 108016896. Its totient is φ = 10044000.
The previous prime is 38934449. The next prime is 38934451. The reversal of 38934450 is 5443983.
It is an interprime number because it is at equal distance from previous prime (38934449) and next prime (38934451).
It is not an unprimeable number, because it can be changed into a prime (38934451) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12555 + ... + 15345.
Almost surely, 238934450 is an apocalyptic number.
38934450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38934450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54008448).
38934450 is an abundant number, since it is smaller than the sum of its proper divisors (69082446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38934450 is a wasteful number, since it uses less digits than its factorization.
38934450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2840 (or 2832 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 38934450 is about 6239.7475910489. The cubic root of 38934450 is about 338.9310429612.
The spelling of 38934450 in words is "thirty-eight million, nine hundred thirty-four thousand, four hundred fifty".
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