Base | Representation |
---|---|
bin | 111100000001… |
… | …0110111110110 |
3 | 2012012210102020 |
4 | 1320002313312 |
5 | 31024002141 |
6 | 3042254010 |
7 | 531324330 |
oct | 170026766 |
9 | 65183366 |
10 | 31469046 |
11 | 16844184 |
12 | a657306 |
13 | 669a84b |
14 | 4272450 |
15 | 2b69266 |
hex | 1e02df6 |
31469046 has 64 divisors (see below), whose sum is σ = 74566656. Its totient is φ = 8668800.
The previous prime is 31469041. The next prime is 31469069. The reversal of 31469046 is 64096413.
It is a junction number, because it is equal to n+sod(n) for n = 31468998 and 31469016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31469041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181816 + ... + 181988.
It is an arithmetic number, because the mean of its divisors is an integer number (1165104).
Almost surely, 231469046 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31469046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37283328).
31469046 is an abundant number, since it is smaller than the sum of its proper divisors (43097610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31469046 is a wasteful number, since it uses less digits than its factorization.
31469046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317.
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 31469046 is about 5609.7278008830. The cubic root of 31469046 is about 315.7144980455.
The spelling of 31469046 in words is "thirty-one million, four hundred sixty-nine thousand, forty-six".
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