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689104983 = 37231376167
BaseRepresentation
bin101001000100101…
…110100001010111
31210000200011022210
4221010232201113
52402402324413
6152213524503
723035203300
oct5104564127
91700604283
10689104983
11323a88856
12172943733
13ac9c6338
146773d7a7
154076e3c3
hex2912e857

689104983 has 96 divisors (see below), whose sum is σ = 1168877568. Its totient is φ = 359251200.

The previous prime is 689104981. The next prime is 689104987. The reversal of 689104983 is 389401986.

It is not a de Polignac number, because 689104983 - 21 = 689104981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689104981) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10285116 + ... + 10285182.

It is an arithmetic number, because the mean of its divisors is an integer number (12175808).

Almost surely, 2689104983 is an apocalyptic number.

689104983 is a deficient number, since it is larger than the sum of its proper divisors (479772585).

689104983 is a wasteful number, since it uses less digits than its factorization.

689104983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 689104983 is about 26250.8091875279. The cubic root of 689104983 is about 883.2733560163.

The spelling of 689104983 in words is "six hundred eighty-nine million, one hundred four thousand, nine hundred eighty-three".

Divisors: 1 3 7 21 31 37 49 61 67 93 111 147 183 201 217 259 427 469 651 777 1147 1281 1407 1519 1813 1891 2077 2257 2479 2989 3283 3441 4087 4557 5439 5673 6231 6771 7437 8029 8967 9849 12261 13237 14539 15799 17353 24087 28609 39711 43617 47397 52059 56203 69967 76849 85827 92659 101773 110593 121471 126697 151219 168609 200263 209901 230547 277977 305319 331779 364413 380091 453657 489769 537943 600789 886879 1058533 1469307 1613829 2660637 3175599 3428383 3765601 4687789 6208153 7409731 10285149 11296803 14063367 18624459 22229193 32814523 98443569 229701661 689104983