Search a number
-
+
4720423 = 37127579
BaseRepresentation
bin10010000000011100100111
322212211012111
4102000130213
52202023143
6245101451
755060111
oct22003447
98784174
104720423
112734584
1216b7887
13c93766
148ac3b1
1563399d
hex480727

4720423 has 4 divisors (see below), whose sum is σ = 4848040. Its totient is φ = 4592808.

The previous prime is 4720403. The next prime is 4720427. The reversal of 4720423 is 3240274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4720423 - 213 = 4712231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4720394 and 4720403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720427) 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, 63753 + ... + 63826.

It is an arithmetic number, because the mean of its divisors is an integer number (1212010).

Almost surely, 24720423 is an apocalyptic number.

4720423 is a deficient number, since it is larger than the sum of its proper divisors (127617).

4720423 is a wasteful number, since it uses less digits than its factorization.

4720423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127616.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 4720423 is about 2172.6534468249. The cubic root of 4720423 is about 167.7491413814.

Adding to 4720423 its reverse (3240274), we get a palindrome (7960697).

The spelling of 4720423 in words is "four million, seven hundred twenty thousand, four hundred twenty-three".

Divisors: 1 37 127579 4720423