Base | Representation |
---|---|
bin | 1000010100100… |
… | …01101110111100 |
3 | 11212100100122002 |
4 | 10022101232330 |
5 | 120332143230 |
6 | 10532041432 |
7 | 1505213054 |
oct | 412215674 |
9 | 155310562 |
10 | 69802940 |
11 | 36446a89 |
12 | 1b463278 |
13 | 115ccc1c |
14 | 93b0564 |
15 | 61dc545 |
hex | 4291bbc |
69802940 has 24 divisors (see below), whose sum is σ = 148653792. Its totient is φ = 27527360.
The previous prime is 69802933. The next prime is 69802963. The reversal of 69802940 is 4920896.
It is a junction number, because it is equal to n+sod(n) for n = 69802894 and 69802903.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23159 + ... + 25998.
It is an arithmetic number, because the mean of its divisors is an integer number (6193908).
Almost surely, 269802940 is an apocalyptic number.
It is an amenable number.
69802940 is an abundant number, since it is smaller than the sum of its proper divisors (78850852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69802940 is a wasteful number, since it uses less digits than its factorization.
69802940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49237 (or 49235 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 69802940 is about 8354.8153779722. The cubic root of 69802940 is about 411.7414329463.
The spelling of 69802940 in words is "sixty-nine million, eight hundred two thousand, nine hundred forty".
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