Base | Representation |
---|---|
bin | 1000010001011… |
… | …00101011111110 |
3 | 11211120022212222 |
4 | 10020230223332 |
5 | 120230422204 |
6 | 10515125342 |
7 | 1501540310 |
oct | 410545376 |
9 | 154508788 |
10 | 69389054 |
11 | 36194029 |
12 | 1b2a3852 |
13 | 114b6717 |
14 | 93037b0 |
15 | 6159abe |
hex | 422cafe |
69389054 has 32 divisors (see below), whose sum is σ = 123698880. Its totient is φ = 28562688.
The previous prime is 69389051. The next prime is 69389059. The reversal of 69389054 is 45098396.
It is a junction number, because it is equal to n+sod(n) for n = 69388996 and 69389014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69389051) 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, 112154 + ... + 112770.
It is an arithmetic number, because the mean of its divisors is an integer number (3865590).
Almost surely, 269389054 is an apocalyptic number.
69389054 is a deficient number, since it is larger than the sum of its proper divisors (54309826).
69389054 is a wasteful number, since it uses less digits than its factorization.
69389054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 932.
The product of its (nonzero) digits is 233280, while the sum is 44.
The square root of 69389054 is about 8330.0092436924. The cubic root of 69389054 is about 410.9260329868.
The spelling of 69389054 in words is "sixty-nine million, three hundred eighty-nine thousand, fifty-four".
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