Search a number
-
+
4000913 = 71015659
BaseRepresentation
bin1111010000110010010001
321112021012222
433100302101
52011012123
6221430425
746002320
oct17206221
97467188
104000913
112292a44
12140b415
13aa1107
147620b7
155406c8
hex3d0c91

4000913 has 8 divisors (see below), whose sum is σ = 4618560. Its totient is φ = 3394800.

The previous prime is 4000907. The next prime is 4000937. The reversal of 4000913 is 3190004.

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 4000913 - 24 = 4000897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000891 and 4000900.

It is not an unprimeable number, because it can be changed into a prime (4000993) 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, 2123 + ... + 3536.

It is an arithmetic number, because the mean of its divisors is an integer number (577320).

Almost surely, 24000913 is an apocalyptic number.

It is an amenable number.

4000913 is a deficient number, since it is larger than the sum of its proper divisors (617647).

4000913 is a wasteful number, since it uses less digits than its factorization.

4000913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 4000913 is about 2000.2282369770. The cubic root of 4000913 is about 158.7521817544.

Adding to 4000913 its reverse (3190004), we get a palindrome (7190917).

It can be divided in two parts, 4000 and 913, that added together give a cube (4913 = 173).

The spelling of 4000913 in words is "four million, nine hundred thirteen", and thus it is an aban number.

Divisors: 1 7 101 707 5659 39613 571559 4000913