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677678841 = 32789120863
BaseRepresentation
bin101000011001001…
…000111011111001
31202020011122121100
4220121020323321
52341441210331
6151125002013
722536114030
oct5031107371
91666148540
10677678841
11318594164
1216ab53309
13aa5255c8
1466007717
153e763ae6
hex28648ef9

677678841 has 24 divisors (see below), whose sum is σ = 1131287040. Its totient is φ = 382890816.

The previous prime is 677678809. The next prime is 677678849. The reversal of 677678841 is 148876776.

677678841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677678841 - 25 = 677678809 is a prime.

It is a super-2 number, since 2×6776788412 = 918497223078206562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677678849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54825 + ... + 66038.

It is an arithmetic number, because the mean of its divisors is an integer number (47136960).

Almost surely, 2677678841 is an apocalyptic number.

It is an amenable number.

677678841 is a deficient number, since it is larger than the sum of its proper divisors (453608199).

677678841 is a wasteful number, since it uses less digits than its factorization.

677678841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120965 (or 120962 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 677678841 is about 26032.2653835582. The cubic root of 677678841 is about 878.3642309842.

The spelling of 677678841 in words is "six hundred seventy-seven million, six hundred seventy-eight thousand, eight hundred forty-one".

Divisors: 1 3 7 9 21 63 89 267 623 801 1869 5607 120863 362589 846041 1087767 2538123 7614369 10756807 32270421 75297649 96811263 225892947 677678841