Search a number
-
+
43838341 = 382311467
BaseRepresentation
bin1010011100111…
…0101110000101
310001111012220021
42213032232011
542210311331
64203335141
71041422401
oct247165605
9101435807
1043838341
1122822438
12128214b1
13910b961
145b72101
153cae211
hex29ceb85

43838341 has 4 divisors (see below), whose sum is σ = 43853632. Its totient is φ = 43823052.

The previous prime is 43838329. The next prime is 43838363. The reversal of 43838341 is 14383834.

It is a happy number.

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.

It is a 3-Lehmer number, since φ(43838341) divides (43838341-1)3.

It is a cyclic number.

It is not a de Polignac number, because 43838341 - 211 = 43836293 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43838297 and 43838306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43838441) 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, 1911 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (10963408).

Almost surely, 243838341 is an apocalyptic number.

43838341 is the 3823-rd octagonal number.

It is an amenable number.

43838341 is a deficient number, since it is larger than the sum of its proper divisors (15291).

43838341 is a wasteful number, since it uses less digits than its factorization.

43838341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15290.

The product of its digits is 27648, while the sum is 34.

The square root of 43838341 is about 6621.0528618944. The cubic root of 43838341 is about 352.6019449286.

The spelling of 43838341 in words is "forty-three million, eight hundred thirty-eight thousand, three hundred forty-one".

Divisors: 1 3823 11467 43838341