Base | Representation |
---|---|
bin | 1000001111000… |
… | …10101101100100 |
3 | 11210222221020200 |
4 | 10013202231210 |
5 | 120141223202 |
6 | 10504430500 |
7 | 1466136030 |
oct | 407425544 |
9 | 153887220 |
10 | 69086052 |
11 | 35aa7412 |
12 | 1b178430 |
13 | 1140b829 |
14 | 92651c0 |
15 | 60e9e1c |
hex | 41e2b64 |
69086052 has 144 divisors (see below), whose sum is σ = 215255040. Its totient is φ = 18242496.
The previous prime is 69086041. The next prime is 69086077. The reversal of 69086052 is 25068096.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 69085998 and 69086016.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224883 + ... + 225189.
Almost surely, 269086052 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69086052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107627520).
69086052 is an abundant number, since it is smaller than the sum of its proper divisors (146168988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69086052 is a wasteful number, since it uses less digits than its factorization.
69086052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390 (or 385 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 69086052 is about 8311.8019706920. The cubic root of 69086052 is about 410.3270283948.
The spelling of 69086052 in words is "sixty-nine million, eighty-six thousand, fifty-two".
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