Base | Representation |
---|---|
bin | 1001001010001… |
… | …1011011010000 |
3 | 2200021211202122 |
4 | 2102203123100 |
5 | 34313340003 |
6 | 3451233412 |
7 | 644356130 |
oct | 222433320 |
9 | 80254678 |
10 | 38418128 |
11 | 1a760121 |
12 | 10a48868 |
13 | 7c61828 |
14 | 5160ac0 |
15 | 358d238 |
hex | 24a36d0 |
38418128 has 20 divisors (see below), whose sum is σ = 85068960. Its totient is φ = 16464864.
The previous prime is 38418109. The next prime is 38418131. The reversal of 38418128 is 82181483.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171398 + ... + 171621.
It is an arithmetic number, because the mean of its divisors is an integer number (4253448).
Almost surely, 238418128 is an apocalyptic number.
It is an amenable number.
38418128 is an abundant number, since it is smaller than the sum of its proper divisors (46650832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38418128 is a wasteful number, since it uses less digits than its factorization.
38418128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343034 (or 343028 counting only the distinct ones).
The product of its digits is 12288, while the sum is 35.
The square root of 38418128 is about 6198.2358780543. The cubic root of 38418128 is about 337.4261471692.
The spelling of 38418128 in words is "thirty-eight million, four hundred eighteen thousand, one hundred twenty-eight".
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