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689104432 = 24128333569
BaseRepresentation
bin101001000100101…
…110011000110000
31210000200010120101
4221010232120300
52402402320212
6152213522144
723035201552
oct5104563060
91700603511
10689104432
11323a883a5
12172943354
13ac9c6003
146773d4d2
154076e157
hex2912e630

689104432 has 20 divisors (see below), whose sum is σ = 1336220280. Its totient is φ = 344273408.

The previous prime is 689104417. The next prime is 689104433. The reversal of 689104432 is 234401986.

It is a junction number, because it is equal to n+sod(n) for n = 689104391 and 689104400.

It is not an unprimeable number, because it can be changed into a prime (689104433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744 + ... + 37312.

It is an arithmetic number, because the mean of its divisors is an integer number (66811014).

Almost surely, 2689104432 is an apocalyptic number.

It is an amenable number.

689104432 is a deficient number, since it is larger than the sum of its proper divisors (647115848).

689104432 is a wasteful number, since it uses less digits than its factorization.

689104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34860 (or 34854 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 689104432 is about 26250.7986926112. The cubic root of 689104432 is about 883.2731205980.

The spelling of 689104432 in words is "six hundred eighty-nine million, one hundred four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 1283 2566 5132 10264 20528 33569 67138 134276 268552 537104 43069027 86138054 172276108 344552216 689104432