Base | Representation |
---|---|
bin | 11110001010101… |
… | …01000100101110 |
3 | 122122011112120201 |
4 | 33011111010232 |
5 | 1004240232103 |
6 | 41035504114 |
7 | 6161635330 |
oct | 1705250456 |
9 | 578145521 |
10 | 253055278 |
11 | 11a9301a3 |
12 | 708b803a |
13 | 40572268 |
14 | 25873450 |
15 | 1733951d |
hex | f15512e |
253055278 has 8 divisors (see below), whose sum is σ = 433809072. Its totient is φ = 108452256.
The previous prime is 253055273. The next prime is 253055279. The reversal of 253055278 is 872550352.
253055278 is digitally balanced in base 2, 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 not an unprimeable number, because it can be changed into a prime (253055273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9037675 + ... + 9037702.
It is an arithmetic number, because the mean of its divisors is an integer number (54226134).
Almost surely, 2253055278 is an apocalyptic number.
253055278 is a deficient number, since it is larger than the sum of its proper divisors (180753794).
253055278 is a wasteful number, since it uses less digits than its factorization.
253055278 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18075386.
The product of its (nonzero) digits is 84000, while the sum is 37.
The square root of 253055278 is about 15907.7112747246. The cubic root of 253055278 is about 632.5164138283.
The spelling of 253055278 in words is "two hundred fifty-three million, fifty-five thousand, two hundred seventy-eight".
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