Base | Representation |
---|---|
bin | 1001000100111… |
… | …0100010100110 |
3 | 2122122011211020 |
4 | 2101032202212 |
5 | 34221223223 |
6 | 3435552010 |
7 | 641410350 |
oct | 221164246 |
9 | 78564736 |
10 | 38070438 |
11 | 1a54297a |
12 | 108bb606 |
13 | 7b6c4b3 |
14 | 50b00d0 |
15 | 35201e3 |
hex | 244e8a6 |
38070438 has 32 divisors (see below), whose sum is σ = 87381504. Its totient is φ = 10831872.
The previous prime is 38070421. The next prime is 38070457. The reversal of 38070438 is 83407083.
It is a junction number, because it is equal to n+sod(n) for n = 38070399 and 38070408.
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 15 ways as a sum of consecutive naturals, for example, 9031 + ... + 12557.
It is an arithmetic number, because the mean of its divisors is an integer number (2730672).
Almost surely, 238070438 is an apocalyptic number.
38070438 is an abundant number, since it is smaller than the sum of its proper divisors (49311066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38070438 is a wasteful number, since it uses less digits than its factorization.
With its successor (38070439) it forms an eRAP, since the sums of their prime factors are consecutive (3796 and 3797).
38070438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3796.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 38070438 is about 6170.1246340734. The cubic root of 38070438 is about 336.4051412537.
The spelling of 38070438 in words is "thirty-eight million, seventy thousand, four hundred thirty-eight".
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