Base | Representation |
---|---|
bin | 1001010001001… |
… | …1101000000101 |
3 | 2201011012011212 |
4 | 2110103220011 |
5 | 34423041301 |
6 | 3505141205 |
7 | 651312032 |
oct | 224235005 |
9 | 81135155 |
10 | 38877701 |
11 | 1aa44435 |
12 | 1102a805 |
13 | 8092a75 |
14 | 5240389 |
15 | 362e4bb |
hex | 2513a05 |
38877701 has 4 divisors (see below), whose sum is σ = 39241152. Its totient is φ = 38514252.
The previous prime is 38877653. The next prime is 38877703. The reversal of 38877701 is 10777883.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10777883 = 19 ⋅567257.
It is a cyclic number.
It is not a de Polignac number, because 38877701 - 218 = 38615557 is a prime.
It is a super-2 number, since 2×388777012 = 3022951270090802, 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 (38877703) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181565 + ... + 181778.
It is an arithmetic number, because the mean of its divisors is an integer number (9810288).
Almost surely, 238877701 is an apocalyptic number.
It is an amenable number.
38877701 is a deficient number, since it is larger than the sum of its proper divisors (363451).
38877701 is a wasteful number, since it uses less digits than its factorization.
38877701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363450.
The product of its (nonzero) digits is 65856, while the sum is 41.
The square root of 38877701 is about 6235.1985533742. The cubic root of 38877701 is about 338.7662929760.
The spelling of 38877701 in words is "thirty-eight million, eight hundred seventy-seven thousand, seven hundred one".
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