Base | Representation |
---|---|
bin | 11101010010011… |
… | …00011000111000 |
3 | 122010021211011010 |
4 | 32221030120320 |
5 | 1000343222142 |
6 | 40213433520 |
7 | 6042146160 |
oct | 1651143070 |
9 | 563254133 |
10 | 245679672 |
11 | 116752857 |
12 | 6a33b8a0 |
13 | 3bb8c0b4 |
14 | 248b35a0 |
15 | 1687de9c |
hex | ea4c638 |
245679672 has 64 divisors (see below), whose sum is σ = 708940800. Its totient is φ = 69494400.
The previous prime is 245679661. The next prime is 245679689. The reversal of 245679672 is 276976542.
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 15 ways as a sum of consecutive naturals, for example, 9729 + ... + 24207.
It is an arithmetic number, because the mean of its divisors is an integer number (11077200).
Almost surely, 2245679672 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 245679672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354470400).
245679672 is an abundant number, since it is smaller than the sum of its proper divisors (463261128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245679672 is a wasteful number, since it uses less digits than its factorization.
245679672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14596 (or 14592 counting only the distinct ones).
The product of its digits is 1270080, while the sum is 48.
The square root of 245679672 is about 15674.1721312483. The cubic root of 245679672 is about 626.3105700357.
It can be divided in two parts, 2456 and 79672, that added together give a palindrome (82128).
The spelling of 245679672 in words is "two hundred forty-five million, six hundred seventy-nine thousand, six hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •