Base | Representation |
---|---|
bin | 1001010011000… |
… | …0101110110111 |
3 | 2201101020201100 |
4 | 2110300232313 |
5 | 34440400134 |
6 | 3511501143 |
7 | 652316433 |
oct | 224605667 |
9 | 81336640 |
10 | 38996919 |
11 | 20015a65 |
12 | 110877b3 |
13 | 8105100 |
14 | 52719c3 |
15 | 3654999 |
hex | 2530bb7 |
38996919 has 18 divisors (see below), whose sum is σ = 60997560. Its totient is φ = 23997168.
The previous prime is 38996917. The next prime is 38996921. The reversal of 38996919 is 91969983.
It is an interprime number because it is at equal distance from previous prime (38996917) and next prime (38996921).
It is not a de Polignac number, because 38996919 - 21 = 38996917 is a prime.
It is a super-2 number, since 2×389969192 = 3041519382985122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38996917) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11299 + ... + 14340.
Almost surely, 238996919 is an apocalyptic number.
38996919 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
38996919 is a deficient number, since it is larger than the sum of its proper divisors (22000641).
38996919 is a wasteful number, since it uses less digits than its factorization.
38996919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25671 (or 25655 counting only the distinct ones).
The product of its digits is 944784, while the sum is 54.
The square root of 38996919 is about 6244.7513161054. The cubic root of 38996919 is about 339.1122138761.
The spelling of 38996919 in words is "thirty-eight million, nine hundred ninety-six thousand, nine hundred nineteen".
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