Search a number
-
+
4744891 = 31269569
BaseRepresentation
bin10010000110011010111011
322221001202201
4102012122323
52203314031
6245411031
755221334
oct22063273
98831681
104744891
1127509a8
121709a77
13ca1938
148b728b
1563ad61
hex4866bb

4744891 has 8 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 4566720.

The previous prime is 4744849. The next prime is 4744897. The reversal of 4744891 is 1984474.

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 4744891 - 29 = 4744379 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4744891.

It is not an unprimeable number, because it can be changed into a prime (4744897) 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, 8055 + ... + 8623.

It is an arithmetic number, because the mean of its divisors is an integer number (615600).

Almost surely, 24744891 is an apocalyptic number.

4744891 is a deficient number, since it is larger than the sum of its proper divisors (179909).

4744891 is a wasteful number, since it uses less digits than its factorization.

4744891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869.

The product of its digits is 32256, while the sum is 37.

The square root of 4744891 is about 2178.2770714489. The cubic root of 4744891 is about 168.0384808866.

The spelling of 4744891 in words is "four million, seven hundred forty-four thousand, eight hundred ninety-one".

Divisors: 1 31 269 569 8339 17639 153061 4744891