Base | Representation |
---|---|
bin | 101000100011101… |
… | …111110101101110 |
3 | 1202102101221010112 |
4 | 220203233311232 |
5 | 2343144202010 |
6 | 151304340022 |
7 | 22601545214 |
oct | 5043576556 |
9 | 1672357115 |
10 | 680459630 |
11 | 31a113434 |
12 | 16ba74612 |
13 | aac8a246 |
14 | 6652ccb4 |
15 | 3eb12a05 |
hex | 288efd6e |
680459630 has 8 divisors (see below), whose sum is σ = 1224827352. Its totient is φ = 272183848.
The previous prime is 680459621. The next prime is 680459639. The reversal of 680459630 is 36954086.
It is an interprime number because it is at equal distance from previous prime (680459621) and next prime (680459639).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680459639) 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, 34022972 + ... + 34022991.
It is an arithmetic number, because the mean of its divisors is an integer number (153103419).
Almost surely, 2680459630 is an apocalyptic number.
680459630 is a deficient number, since it is larger than the sum of its proper divisors (544367722).
680459630 is a wasteful number, since it uses less digits than its factorization.
680459630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68045970.
The product of its (nonzero) digits is 155520, while the sum is 41.
The square root of 680459630 is about 26085.6211350238. The cubic root of 680459630 is about 879.5640187123.
The spelling of 680459630 in words is "six hundred eighty million, four hundred fifty-nine thousand, six hundred thirty".
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