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720484001 = 4493160357
BaseRepresentation
bin101010111100011…
…011011010100001
31212012201101020122
4222330123122201
52433420442001
6155254250025
723566004306
oct5274333241
91765641218
10720484001
1133a770326
12181356915
13b6361bc3
146b98b0ad
15433bbb1b
hex2af1b6a1

720484001 has 4 divisors (see below), whose sum is σ = 720648852. Its totient is φ = 720319152.

The previous prime is 720483997. The next prime is 720484013. The reversal of 720484001 is 100484027.

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

It can be written as a sum of positive squares in 2 ways, for example, as 711022225 + 9461776 = 26665^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 720484001 - 22 = 720483997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (720484601) 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, 75686 + ... + 84671.

It is an arithmetic number, because the mean of its divisors is an integer number (180162213).

Almost surely, 2720484001 is an apocalyptic number.

It is an amenable number.

720484001 is a deficient number, since it is larger than the sum of its proper divisors (164851).

720484001 is a wasteful number, since it uses less digits than its factorization.

720484001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164850.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 720484001 is about 26841.8330409829. The cubic root of 720484001 is about 896.4817380653.

Adding to 720484001 its sum of digits (26), we get a palindrome (720484027).

The spelling of 720484001 in words is "seven hundred twenty million, four hundred eighty-four thousand, one".

Divisors: 1 4493 160357 720484001