Search a number
-
+
4058381 = 19213599
BaseRepresentation
bin1111011110110100001101
321122012001102
433132310031
52014332011
6222552445
746332005
oct17366415
97565042
104058381
112322138
121438725
13ac1312
14779005
1555273b
hex3ded0d

4058381 has 4 divisors (see below), whose sum is σ = 4272000. Its totient is φ = 3844764.

The previous prime is 4058371. The next prime is 4058387. The reversal of 4058381 is 1838504.

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 not a de Polignac number, because 4058381 - 26 = 4058317 is a prime.

It is a super-2 number, since 2×40583812 = 32940912682322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4058387) 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, 106781 + ... + 106818.

It is an arithmetic number, because the mean of its divisors is an integer number (1068000).

Almost surely, 24058381 is an apocalyptic number.

It is an amenable number.

4058381 is a deficient number, since it is larger than the sum of its proper divisors (213619).

4058381 is a wasteful number, since it uses less digits than its factorization.

4058381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213618.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 4058381 is about 2014.5423797975. The cubic root of 4058381 is about 159.5086619838.

The spelling of 4058381 in words is "four million, fifty-eight thousand, three hundred eighty-one".

Divisors: 1 19 213599 4058381