Base | Representation |
---|---|
bin | 11110010000111… |
… | …11100101000110 |
3 | 122200201200101121 |
4 | 33020133211012 |
5 | 1004443302432 |
6 | 41105344154 |
7 | 6201661516 |
oct | 1710374506 |
9 | 580650347 |
10 | 253884742 |
11 | 120347401 |
12 | 7103805a |
13 | 407a2977 |
14 | 25a0b846 |
15 | 17450197 |
hex | f21f946 |
253884742 has 8 divisors (see below), whose sum is σ = 380897856. Its totient is φ = 126918792.
The previous prime is 253884739. The next prime is 253884769. The reversal of 253884742 is 247488352.
253884742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9003 + ... + 24265.
It is an arithmetic number, because the mean of its divisors is an integer number (47612232).
Almost surely, 2253884742 is an apocalyptic number.
253884742 is a deficient number, since it is larger than the sum of its proper divisors (127013114).
253884742 is a wasteful number, since it uses less digits than its factorization.
253884742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23582.
The product of its digits is 430080, while the sum is 43.
The square root of 253884742 is about 15933.7610751511. The cubic root of 253884742 is about 633.2067470612.
The spelling of 253884742 in words is "two hundred fifty-three million, eight hundred eighty-four thousand, seven hundred forty-two".
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