Search a number
-
+
4419997 = 15312887
BaseRepresentation
bin10000110111000110011101
322022120002121
4100313012131
52112414442
6234422541
752366201
oct20670635
98276077
104419997
11254989a
121591a51
13bb9aaa
14830b01
155c4967
hex43719d

4419997 has 4 divisors (see below), whose sum is σ = 4424416. Its totient is φ = 4415580.

The previous prime is 4419991. The next prime is 4420001. The reversal of 4419997 is 7999144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4419997 - 27 = 4419869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4419991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (1106104).

Almost surely, 24419997 is an apocalyptic number.

It is an amenable number.

4419997 is a deficient number, since it is larger than the sum of its proper divisors (4419).

4419997 is a wasteful number, since it uses less digits than its factorization.

4419997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418.

The product of its digits is 81648, while the sum is 43.

The square root of 4419997 is about 2102.3788906855. The cubic root of 4419997 is about 164.1121209301.

The spelling of 4419997 in words is "four million, four hundred nineteen thousand, nine hundred ninety-seven".

Divisors: 1 1531 2887 4419997