Base | Representation |
---|---|
bin | 11110001011010… |
… | …00101110000110 |
3 | 122122022121222011 |
4 | 33011220232012 |
5 | 1004300321000 |
6 | 41041324434 |
7 | 6162422050 |
oct | 1705505606 |
9 | 578277864 |
10 | 253135750 |
11 | 11a9856aa |
12 | 7093671a |
13 | 4059ca8a |
14 | 258948d0 |
15 | 173532ba |
hex | f168b86 |
253135750 has 64 divisors (see below), whose sum is σ = 548720640. Its totient is φ = 85644000.
The previous prime is 253135747. The next prime is 253135789. The reversal of 253135750 is 57531352.
253135750 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 31 ways as a sum of consecutive naturals, for example, 137335 + ... + 139165.
It is an arithmetic number, because the mean of its divisors is an integer number (8573760).
Almost surely, 2253135750 is an apocalyptic number.
253135750 is an abundant number, since it is smaller than the sum of its proper divisors (295584890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253135750 is a wasteful number, since it uses less digits than its factorization.
253135750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1934 (or 1924 counting only the distinct ones).
The product of its (nonzero) digits is 15750, while the sum is 31.
The square root of 253135750 is about 15910.2404130170. The cubic root of 253135750 is about 632.5834538136.
The spelling of 253135750 in words is "two hundred fifty-three million, one hundred thirty-five thousand, seven hundred fifty".
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