Search a number
-
+
4938791 = 111334537
BaseRepresentation
bin10010110101110000100111
3100021220202012
4102311300213
52231020131
6253504435
756656544
oct22656047
910256665
104938791
112873650
1217a211b
13103bc80
14927bcb
1567852b
hex4b5c27

4938791 has 8 divisors (see below), whose sum is σ = 5802384. Its totient is φ = 4144320.

The previous prime is 4938779. The next prime is 4938833. The reversal of 4938791 is 1978394.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4938791 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 411 + 93 + 311 + 85 + 74 + 96 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4938701) 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, 17126 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (725298).

Almost surely, 24938791 is an apocalyptic number.

4938791 is a deficient number, since it is larger than the sum of its proper divisors (863593).

4938791 is a wasteful number, since it uses less digits than its factorization.

4938791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34561.

The product of its digits is 54432, while the sum is 41.

The square root of 4938791 is about 2222.3390830384. The cubic root of 4938791 is about 170.2969550271.

The spelling of 4938791 in words is "four million, nine hundred thirty-eight thousand, seven hundred ninety-one".

Divisors: 1 11 13 143 34537 379907 448981 4938791