Base | Representation |
---|---|
bin | 1000001111000… |
… | …10011101011100 |
3 | 11210222212211110 |
4 | 10013202131130 |
5 | 120141210040 |
6 | 10504422020 |
7 | 1466133024 |
oct | 407423534 |
9 | 153885743 |
10 | 69085020 |
11 | 35aa6664 |
12 | 1b177910 |
13 | 1140b214 |
14 | 9264a84 |
15 | 60e9980 |
hex | 41e275c |
69085020 has 24 divisors (see below), whose sum is σ = 193438224. Its totient is φ = 18422656.
The previous prime is 69085013. The next prime is 69085033. The reversal of 69085020 is 2058096.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 575649 + ... + 575768.
It is an arithmetic number, because the mean of its divisors is an integer number (8059926).
Almost surely, 269085020 is an apocalyptic number.
69085020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
69085020 is an abundant number, since it is smaller than the sum of its proper divisors (124353204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69085020 is a wasteful number, since it uses less digits than its factorization.
69085020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1151429 (or 1151427 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 69085020 is about 8311.7398900591. The cubic root of 69085020 is about 410.3249852443.
The spelling of 69085020 in words is "sixty-nine million, eighty-five thousand, twenty".
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