Base | Representation |
---|---|
bin | 1000010000101… |
… | …00100101100100 |
3 | 11211101022110220 |
4 | 10020110211210 |
5 | 120214242330 |
6 | 10513044340 |
7 | 1500646440 |
oct | 410244544 |
9 | 154338426 |
10 | 69290340 |
11 | 36126949 |
12 | 1b2566b0 |
13 | 11480802 |
14 | 92b9820 |
15 | 613a710 |
hex | 4214964 |
69290340 has 144 divisors (see below), whose sum is σ = 234525312. Its totient is φ = 14971392.
The previous prime is 69290303. The next prime is 69290341. The reversal of 69290340 is 4309296.
It is not an unprimeable number, because it can be changed into a prime (69290341) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151392 + ... + 151848.
It is an arithmetic number, because the mean of its divisors is an integer number (1628648).
Almost surely, 269290340 is an apocalyptic number.
69290340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69290340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117262656).
69290340 is an abundant number, since it is smaller than the sum of its proper divisors (165234972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69290340 is a wasteful number, since it uses less digits than its factorization.
69290340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 514 (or 493 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 69290340 is about 8324.0819313604. The cubic root of 69290340 is about 410.7310771495.
The spelling of 69290340 in words is "sixty-nine million, two hundred ninety thousand, three hundred forty".
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