Base | Representation |
---|---|
bin | 11110010000110… |
… | …00000101111110 |
3 | 122200200010022220 |
4 | 33020120011332 |
5 | 1004441312303 |
6 | 41104550210 |
7 | 6201503232 |
oct | 1710300576 |
9 | 580603286 |
10 | 253854078 |
11 | 120326365 |
12 | 71022366 |
13 | 40791a1a |
14 | 25a005c2 |
15 | 17446053 |
hex | f21817e |
253854078 has 16 divisors (see below), whose sum is σ = 508291200. Its totient is φ = 84520856.
The previous prime is 253854067. The next prime is 253854091. The reversal of 253854078 is 870458352.
253854078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18528 + ... + 29171.
It is an arithmetic number, because the mean of its divisors is an integer number (31768200).
Almost surely, 2253854078 is an apocalyptic number.
253854078 is an abundant number, since it is smaller than the sum of its proper divisors (254437122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253854078 is a wasteful number, since it uses less digits than its factorization.
253854078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48591.
The product of its (nonzero) digits is 268800, while the sum is 42.
The square root of 253854078 is about 15932.7988125125. The cubic root of 253854078 is about 633.1812532967.
It can be divided in two parts, 2538 and 54078, that added together give a triangular number (56616 = T336).
The spelling of 253854078 in words is "two hundred fifty-three million, eight hundred fifty-four thousand, seventy-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •