Base | Representation |
---|---|
bin | 1000010000101… |
… | …01100100000100 |
3 | 11211101111222001 |
4 | 10020111210010 |
5 | 120214404330 |
6 | 10513115044 |
7 | 1500664213 |
oct | 410254404 |
9 | 154344861 |
10 | 69294340 |
11 | 36129955 |
12 | 1b258a84 |
13 | 1148258b |
14 | 92bb07a |
15 | 613b9ca |
hex | 4215904 |
69294340 has 48 divisors (see below), whose sum is σ = 154652400. Its totient is φ = 26030592.
The previous prime is 69294283. The next prime is 69294341. The reversal of 69294340 is 4349296.
It can be written as a sum of positive squares in 8 ways, for example, as 304704 + 68989636 = 552^2 + 8306^2 .
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a self number, because there is not a number n which added to its sum of digits gives 69294340.
It is not an unprimeable number, because it can be changed into a prime (69294341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19846 + ... + 23074.
It is an arithmetic number, because the mean of its divisors is an integer number (3221925).
Almost surely, 269294340 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69294340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77326200).
69294340 is an abundant number, since it is smaller than the sum of its proper divisors (85358060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69294340 is a wasteful number, since it uses less digits than its factorization.
69294340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3304 (or 3302 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 37.
The square root of 69294340 is about 8324.3221946294. The cubic root of 69294340 is about 410.7389805729.
The spelling of 69294340 in words is "sixty-nine million, two hundred ninety-four thousand, three hundred forty".
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