Base | Representation |
---|---|
bin | 1000010000101… |
… | …00011111010101 |
3 | 11211101021221010 |
4 | 10020110133111 |
5 | 120214234231 |
6 | 10513042433 |
7 | 1500645330 |
oct | 410243725 |
9 | 154337833 |
10 | 69289941 |
11 | 36126616 |
12 | 1b256419 |
13 | 11480586 |
14 | 92b9617 |
15 | 613a546 |
hex | 42147d5 |
69289941 has 16 divisors (see below), whose sum is σ = 111142400. Its totient is φ = 37510128.
The previous prime is 69289933. The next prime is 69289949. The reversal of 69289941 is 14998296.
It is an interprime number because it is at equal distance from previous prime (69289933) and next prime (69289949).
It is not a de Polignac number, because 69289941 - 23 = 69289933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69289949) 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, 86431 + ... + 87228.
It is an arithmetic number, because the mean of its divisors is an integer number (6946400).
Almost surely, 269289941 is an apocalyptic number.
It is an amenable number.
69289941 is a deficient number, since it is larger than the sum of its proper divisors (41852459).
69289941 is a wasteful number, since it uses less digits than its factorization.
69289941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173688.
The product of its digits is 279936, while the sum is 48.
The square root of 69289941 is about 8324.0579647189. The cubic root of 69289941 is about 410.7302887663.
The spelling of 69289941 in words is "sixty-nine million, two hundred eighty-nine thousand, nine hundred forty-one".
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