Base | Representation |
---|---|
bin | 1000010001011… |
… | …11011001000110 |
3 | 11211120220002100 |
4 | 10020233121012 |
5 | 120231301014 |
6 | 10515252530 |
7 | 1501614516 |
oct | 410573106 |
9 | 154526070 |
10 | 69400134 |
11 | 361a1391 |
12 | 1b2aa146 |
13 | 114bb78b |
14 | 9307846 |
15 | 615d009 |
hex | 422f646 |
69400134 has 48 divisors (see below), whose sum is σ = 156124800. Its totient is φ = 22256640.
The previous prime is 69400129. The next prime is 69400139. The reversal of 69400134 is 43100496.
It is an interprime number because it is at equal distance from previous prime (69400129) and next prime (69400139).
It is a junction number, because it is equal to n+sod(n) for n = 69400098 and 69400107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69400139) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154342 + ... + 154790.
It is an arithmetic number, because the mean of its divisors is an integer number (3252600).
Almost surely, 269400134 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69400134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78062400).
69400134 is an abundant number, since it is smaller than the sum of its proper divisors (86724666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69400134 is a wasteful number, since it uses less digits than its factorization.
69400134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 765 (or 762 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 69400134 is about 8330.6742824336. The cubic root of 69400134 is about 410.9479039586.
The spelling of 69400134 in words is "sixty-nine million, four hundred thousand, one hundred thirty-four".
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