Base | Representation |
---|---|
bin | 1010010000100110111110 |
3 | 12001122021000 |
4 | 22100212332 |
5 | 1142030340 |
6 | 133351130 |
7 | 31601010 |
oct | 12204676 |
9 | 5048230 |
10 | 2689470 |
11 | 1577703 |
12 | a984a6 |
13 | 732204 |
14 | 5001b0 |
15 | 381d30 |
hex | 2909be |
2689470 has 64 divisors (see below), whose sum is σ = 8202240. Its totient is φ = 614304.
The previous prime is 2689457. The next prime is 2689483. The reversal of 2689470 is 749862.
2689470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2689457) and next prime (2689483).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1179 + ... + 2601.
It is an arithmetic number, because the mean of its divisors is an integer number (128160).
22689470 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2689470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4101120).
2689470 is an abundant number, since it is smaller than the sum of its proper divisors (5512770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2689470 is a wasteful number, since it uses less digits than its factorization.
2689470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1446 (or 1440 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 2689470 is about 1639.9603653747. The cubic root of 2689470 is about 139.0664072041.
The spelling of 2689470 in words is "two million, six hundred eighty-nine thousand, four hundred seventy".
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