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662730401 = 7189104879
BaseRepresentation
bin100111100000000…
…111011010100001
31201012001012012102
4213200013122201
52324124333101
6145432340145
722265054414
oct4740073241
91635035172
10662730401
11310104183
12165b44655
13a73c0588
1464035b7b
153d2ae86b
hex278076a1

662730401 has 8 divisors (see below), whose sum is σ = 679622400. Its totient is φ = 646048480.

The previous prime is 662730389. The next prime is 662730449. The reversal of 662730401 is 104037266.

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 662730401 - 222 = 658536097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662730451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46121 + ... + 58758.

It is an arithmetic number, because the mean of its divisors is an integer number (84952800).

Almost surely, 2662730401 is an apocalyptic number.

It is an amenable number.

662730401 is a deficient number, since it is larger than the sum of its proper divisors (16891999).

662730401 is a wasteful number, since it uses less digits than its factorization.

662730401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105039.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 662730401 is about 25743.5506680800. The cubic root of 662730401 is about 871.8577473426.

Adding to 662730401 its reverse (104037266), we get a palindrome (766767667).

The spelling of 662730401 in words is "six hundred sixty-two million, seven hundred thirty thousand, four hundred one".

Divisors: 1 71 89 6319 104879 7446409 9334231 662730401