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689114358 = 23312761377
BaseRepresentation
bin101001000100110…
…000110011110110
31210000200122012000
4221010300303312
52402403124413
6152214040130
723035242522
oct5104606366
91700618160
10689114358
11323a948a9
12172949046
13ac9ca69a
1467742d82
1540772073
hex29130cf6

689114358 has 16 divisors (see below), whose sum is σ = 1531365360. Its totient is φ = 229704768.

The previous prime is 689114333. The next prime is 689114359. The reversal of 689114358 is 853411986.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689114359) 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, 6380635 + ... + 6380742.

It is an arithmetic number, because the mean of its divisors is an integer number (95710335).

Almost surely, 2689114358 is an apocalyptic number.

689114358 is an abundant number, since it is smaller than the sum of its proper divisors (842251002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689114358 is a wasteful number, since it uses less digits than its factorization.

689114358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761388 (or 12761382 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 689114358 is about 26250.9877528447. The cubic root of 689114358 is about 883.2773615260.

The spelling of 689114358 in words is "six hundred eighty-nine million, one hundred fourteen thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 12761377 25522754 38284131 76568262 114852393 229704786 344557179 689114358