Base | Representation |
---|---|
bin | 11110001011001… |
… | …01101000011100 |
3 | 122122021222121122 |
4 | 33011211220130 |
5 | 1004244414400 |
6 | 41041150112 |
7 | 6162340136 |
oct | 1705455034 |
9 | 578258548 |
10 | 253123100 |
11 | 11a97714a |
12 | 7092b338 |
13 | 405970a9 |
14 | 25890056 |
15 | 1734e685 |
hex | f165a1c |
253123100 has 36 divisors (see below), whose sum is σ = 551100144. Its totient is φ = 100913280.
The previous prime is 253123097. The next prime is 253123121. The reversal of 253123100 is 1321352.
253123100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2531231002 = 128142607507220000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27257 + ... + 35343.
Almost surely, 2253123100 is an apocalyptic number.
253123100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253123100 is an abundant number, since it is smaller than the sum of its proper divisors (297977044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253123100 is a wasteful number, since it uses less digits than its factorization.
253123100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8414 (or 8407 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 253123100 is about 15909.8428653460. The cubic root of 253123100 is about 632.5729162345.
Adding to 253123100 its reverse (1321352), we get a palindrome (254444452).
The spelling of 253123100 in words is "two hundred fifty-three million, one hundred twenty-three thousand, one hundred".
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