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693677893 = 41127713249
BaseRepresentation
bin101001010110001…
…010111101000101
31210100021111011211
4221112022331011
52410040143033
6152455531421
723122110346
oct5126127505
91710244154
10693677893
11326621517
12174389b71
13b09378bc
14681b00cd
1540d742cd
hex2958af45

693677893 has 8 divisors (see below), whose sum is σ = 711207000. Its totient is φ = 676177920.

The previous prime is 693677891. The next prime is 693677899. The reversal of 693677893 is 398776396.

693677893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2934369 + 690743524 = 1713^2 + 26282^2 .

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 693677893 - 21 = 693677891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693677891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45733 + ... + 58981.

It is an arithmetic number, because the mean of its divisors is an integer number (88900875).

Almost surely, 2693677893 is an apocalyptic number.

It is an amenable number.

693677893 is a deficient number, since it is larger than the sum of its proper divisors (17529107).

693677893 is a wasteful number, since it uses less digits than its factorization.

693677893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567.

The product of its digits is 10287648, while the sum is 58.

The square root of 693677893 is about 26337.7655278499. The cubic root of 693677893 is about 885.2228547056. Note that the first 3 decimals are identical.

The spelling of 693677893 in words is "six hundred ninety-three million, six hundred seventy-seven thousand, eight hundred ninety-three".

Divisors: 1 41 1277 13249 52357 543209 16918973 693677893