Base | Representation |
---|---|
bin | 1001010000010… |
… | …0000101001111 |
3 | 2201000221211201 |
4 | 2110010011033 |
5 | 34414022111 |
6 | 3503530331 |
7 | 650625304 |
oct | 224040517 |
9 | 81027751 |
10 | 38814031 |
11 | 1aa00613 |
12 | 10bb99a7 |
13 | 806caa9 |
14 | 52250ab |
15 | 361a6c1 |
hex | 250414f |
38814031 has 8 divisors (see below), whose sum is σ = 39302640. Its totient is φ = 38328192.
The previous prime is 38814029. The next prime is 38814047. The reversal of 38814031 is 13041883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38814031 - 21 = 38814029 is a prime.
It is a super-2 number, since 2×388140312 = 3013058004937922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38814091) 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, 43516 + ... + 44398.
It is an arithmetic number, because the mean of its divisors is an integer number (4912830).
Almost surely, 238814031 is an apocalyptic number.
38814031 is a deficient number, since it is larger than the sum of its proper divisors (488609).
38814031 is a wasteful number, since it uses less digits than its factorization.
38814031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1385.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 38814031 is about 6230.0907698042. The cubic root of 38814031 is about 338.5812594418.
The spelling of 38814031 in words is "thirty-eight million, eight hundred fourteen thousand, thirty-one".
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