Base | Representation |
---|---|
bin | 101001000101001… |
… | …011100000010110 |
3 | 1210000220012011210 |
4 | 221011023200112 |
5 | 2402420124302 |
6 | 152220242250 |
7 | 23036206356 |
oct | 5105134026 |
9 | 1700805153 |
10 | 689223702 |
11 | 324059a72 |
12 | 1729a0386 |
13 | aca3839b |
14 | 67770b66 |
15 | 4079466c |
hex | 2914b816 |
689223702 has 16 divisors (see below), whose sum is σ = 1380802752. Its totient is φ = 229348680.
The previous prime is 689223671. The next prime is 689223709. The reversal of 689223702 is 207322986.
It is a super-2 number, since 2×6892237022 = 950058622797169608, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (689223709) 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, 94324 + ... + 101367.
It is an arithmetic number, because the mean of its divisors is an integer number (86300172).
Almost surely, 2689223702 is an apocalyptic number.
689223702 is an abundant number, since it is smaller than the sum of its proper divisors (691579050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689223702 is a wasteful number, since it uses less digits than its factorization.
689223702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196283.
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 689223702 is about 26253.0703347247. The cubic root of 689223702 is about 883.3240765455.
The spelling of 689223702 in words is "six hundred eighty-nine million, two hundred twenty-three thousand, seven hundred two".
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