Base | Representation |
---|---|
bin | 1000010101010… |
… | …01001010000101 |
3 | 11212112020020121 |
4 | 10022221022011 |
5 | 120343231020 |
6 | 10534101541 |
7 | 1506062560 |
oct | 412511205 |
9 | 155466217 |
10 | 69898885 |
11 | 36502081 |
12 | 1b4aa8b1 |
13 | 116347b4 |
14 | 93d74d7 |
15 | 620abaa |
hex | 42a9285 |
69898885 has 8 divisors (see below), whose sum is σ = 95861376. Its totient is φ = 47930640.
The previous prime is 69898877. The next prime is 69898901. The reversal of 69898885 is 58889896.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69898885 - 23 = 69898877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998521 + ... + 998590.
It is an arithmetic number, because the mean of its divisors is an integer number (11982672).
Almost surely, 269898885 is an apocalyptic number.
It is an amenable number.
69898885 is a deficient number, since it is larger than the sum of its proper divisors (25962491).
69898885 is a wasteful number, since it uses less digits than its factorization.
69898885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1997123.
The product of its digits is 9953280, while the sum is 61.
The square root of 69898885 is about 8360.5553045237. Note that the first 3 decimals coincide. The cubic root of 69898885 is about 411.9299944681.
The spelling of 69898885 in words is "sixty-nine million, eight hundred ninety-eight thousand, eight hundred eighty-five".
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