Search a number
-
+
4084031 = 71930707
BaseRepresentation
bin1111100101000100111111
321200111020102
433211010333
52021142111
6223311315
746466540
oct17450477
97614212
104084031
11233a436
12144b53b
13accbb3
147844c7
1555a13b
hex3e513f

4084031 has 8 divisors (see below), whose sum is σ = 4913280. Its totient is φ = 3316248.

The previous prime is 4084027. The next prime is 4084037. The reversal of 4084031 is 1304804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4084031 - 22 = 4084027 is a prime.

It is a super-2 number, since 2×40840312 = 33358618417922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4083994 and 4084012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4084037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15221 + ... + 15486.

It is an arithmetic number, because the mean of its divisors is an integer number (614160).

Almost surely, 24084031 is an apocalyptic number.

4084031 is a deficient number, since it is larger than the sum of its proper divisors (829249).

4084031 is a wasteful number, since it uses less digits than its factorization.

4084031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30733.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4084031 is about 2020.8985625211. The cubic root of 4084031 is about 159.8440015984.

Adding to 4084031 its reverse (1304804), we get a palindrome (5388835).

The spelling of 4084031 in words is "four million, eighty-four thousand, thirty-one".

Divisors: 1 7 19 133 30707 214949 583433 4084031