Base | Representation |
---|---|
bin | 11110001011001… |
… | …01111101010000 |
3 | 122122022001102222 |
4 | 33011211331100 |
5 | 1004244440212 |
6 | 41041200212 |
7 | 6162344051 |
oct | 1705457520 |
9 | 578261388 |
10 | 253124432 |
11 | 11a978150 |
12 | 70930068 |
13 | 40597892 |
14 | 25890728 |
15 | 1734ec72 |
hex | f165f50 |
253124432 has 20 divisors (see below), whose sum is σ = 535013376. Its totient is φ = 115056480.
The previous prime is 253124429. The next prime is 253124461. The reversal of 253124432 is 234421352.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718928 + ... + 719279.
Almost surely, 2253124432 is an apocalyptic number.
253124432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
253124432 is an abundant number, since it is smaller than the sum of its proper divisors (281888944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253124432 is a wasteful number, since it uses less digits than its factorization.
253124432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1438226 (or 1438220 counting only the distinct ones).
The product of its digits is 5760, while the sum is 26.
The square root of 253124432 is about 15909.8847261695. The cubic root of 253124432 is about 632.5740258206.
Adding to 253124432 its reverse (234421352), we get a palindrome (487545784).
The spelling of 253124432 in words is "two hundred fifty-three million, one hundred twenty-four thousand, four hundred thirty-two".
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