Search a number
-
+
6344491 = 311031987
BaseRepresentation
bin11000001100111100101011
3102221100000011
4120030330223
53111010431
6343552351
7104633026
oct30147453
912840004
106344491
11364378a
12215b6b7
131411a4a
14bb21bd
15854cb1
hex60cf2b

6344491 has 8 divisors (see below), whose sum is σ = 6616064. Its totient is φ = 6077160.

The previous prime is 6344473. The next prime is 6344509. The reversal of 6344491 is 1944436.

It is an interprime number because it is at equal distance from previous prime (6344473) and next prime (6344509).

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 6344491 - 27 = 6344363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6344441) 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, 2200 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (827008).

Almost surely, 26344491 is an apocalyptic number.

6344491 is a deficient number, since it is larger than the sum of its proper divisors (271573).

6344491 is a wasteful number, since it uses less digits than its factorization.

6344491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its digits is 10368, while the sum is 31.

The square root of 6344491 is about 2518.8273065059. The cubic root of 6344491 is about 185.1252232302.

The spelling of 6344491 in words is "six million, three hundred forty-four thousand, four hundred ninety-one".

Divisors: 1 31 103 1987 3193 61597 204661 6344491