Base | Representation |
---|---|
bin | 1000010101010… |
… | …01001100101010 |
3 | 11212112020110201 |
4 | 10022221030222 |
5 | 120343232200 |
6 | 10534102414 |
7 | 1506063214 |
oct | 412511452 |
9 | 155466421 |
10 | 69899050 |
11 | 36502211 |
12 | 1b4aaa0a |
13 | 116348b0 |
14 | 93d75b4 |
15 | 620ac6a |
hex | 42a932a |
69899050 has 48 divisors (see below), whose sum is σ = 142725240. Its totient is φ = 25309440.
The previous prime is 69899041. The next prime is 69899057. The reversal of 69899050 is 5099896.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 17147881 + 52751169 = 4141^2 + 7263^2 .
It is not an unprimeable number, because it can be changed into a prime (69899057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33436 + ... + 35464.
Almost surely, 269899050 is an apocalyptic number.
69899050 is an abundant number, since it is smaller than the sum of its proper divisors (72826190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69899050 is a wasteful number, since it uses less digits than its factorization.
69899050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2107 (or 2102 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 46.
The square root of 69899050 is about 8360.5651722835. The cubic root of 69899050 is about 411.9303185953.
The spelling of 69899050 in words is "sixty-nine million, eight hundred ninety-nine thousand, fifty".
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