Base | Representation |
---|---|
bin | 1000010000110… |
… | …10101101110100 |
3 | 11211102120220200 |
4 | 10020122231310 |
5 | 120221043234 |
6 | 10513400500 |
7 | 1501112562 |
oct | 410325564 |
9 | 154376820 |
10 | 69315444 |
11 | 361437a0 |
12 | 1b269130 |
13 | 1148c073 |
14 | 92c4a32 |
15 | 6142d99 |
hex | 421ab74 |
69315444 has 36 divisors (see below), whose sum is σ = 191143680. Its totient is φ = 21004560.
The previous prime is 69315427. The next prime is 69315451. The reversal of 69315444 is 44451396.
69315444 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
69315444 is strictly pandigital in base 9.
It is a junction number, because it is equal to n+sod(n) for n = 69315399 and 69315408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87124 + ... + 87915.
Almost surely, 269315444 is an apocalyptic number.
It is an amenable number.
69315444 is an abundant number, since it is smaller than the sum of its proper divisors (121828236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69315444 is a wasteful number, since it uses less digits than its factorization.
69315444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175060 (or 175055 counting only the distinct ones).
The product of its digits is 51840, while the sum is 36.
The square root of 69315444 is about 8325.5897088435. The cubic root of 69315444 is about 410.7806740004.
It can be divided in two parts, 69 and 315444, that added together give a palindrome (315513).
The spelling of 69315444 in words is "sixty-nine million, three hundred fifteen thousand, four hundred forty-four".
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