Base | Representation |
---|---|
bin | 11110001011011… |
… | …01011110110110 |
3 | 122122100121201112 |
4 | 33011231132312 |
5 | 1004301432004 |
6 | 41041555022 |
7 | 6162532652 |
oct | 1705553666 |
9 | 578317645 |
10 | 253155254 |
11 | 11a999320 |
12 | 70945a72 |
13 | 405a8911 |
14 | 2589ba62 |
15 | 17358e6e |
hex | f16d7b6 |
253155254 has 32 divisors (see below), whose sum is σ = 427355136. Its totient is φ = 111481920.
The previous prime is 253155251. The next prime is 253155271. The reversal of 253155254 is 452551352.
It is a self number, because there is not a number n which added to its sum of digits gives 253155254.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253155251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105314 + ... + 107690.
It is an arithmetic number, because the mean of its divisors is an integer number (13354848).
Almost surely, 2253155254 is an apocalyptic number.
253155254 is a deficient number, since it is larger than the sum of its proper divisors (174199882).
253155254 is a wasteful number, since it uses less digits than its factorization.
253155254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2540.
The product of its digits is 30000, while the sum is 32.
The square root of 253155254 is about 15910.8533397804. The cubic root of 253155254 is about 632.5997001569.
The spelling of 253155254 in words is "two hundred fifty-three million, one hundred fifty-five thousand, two hundred fifty-four".
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