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678048001 = 5961293643
BaseRepresentation
bin101000011010100…
…011000100000001
31202020212101222221
4220122203010001
52342040014001
6151140531041
722542212221
oct5032430401
91666771887
10678048001
11318816554
1216b0b0a81
13aa624647
14660a2081
153e7d81a1
hex286a3101

678048001 has 16 divisors (see below), whose sum is σ = 704329920. Its totient is φ = 652374720.

The previous prime is 678047987. The next prime is 678048029. The reversal of 678048001 is 100840876.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 678048001 - 25 = 678047969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678048061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054186 + ... + 1054828.

It is an arithmetic number, because the mean of its divisors is an integer number (44020620).

Almost surely, 2678048001 is an apocalyptic number.

678048001 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

678048001 is a deficient number, since it is larger than the sum of its proper divisors (26281919).

678048001 is a wasteful number, since it uses less digits than its factorization.

678048001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 678048001 is about 26039.3548499190. The cubic root of 678048001 is about 878.5236959397.

Adding to 678048001 its reverse (100840876), we get a palindrome (778888877).

The spelling of 678048001 in words is "six hundred seventy-eight million, forty-eight thousand, one".

Divisors: 1 59 61 293 643 3599 17287 17873 37937 39223 188399 1054507 2314157 11115541 11492339 678048001