Base | Representation |
---|---|
bin | 11110001011011… |
… | …00100001011101 |
3 | 122122100102100000 |
4 | 33011230201131 |
5 | 1004301320300 |
6 | 41041524513 |
7 | 6162515340 |
oct | 1705544135 |
9 | 578312300 |
10 | 253151325 |
11 | 11a996379 |
12 | 70943739 |
13 | 405a6bab |
14 | 2589a457 |
15 | 17357c00 |
hex | f16c85d |
253151325 has 72 divisors (see below), whose sum is σ = 537479488. Its totient is φ = 115706880.
The previous prime is 253151323. The next prime is 253151401. The reversal of 253151325 is 523151352.
It is a happy number.
253151325 is a `hidden beast` number, since 25 + 315 + 1 + 325 = 666.
It is not a de Polignac number, because 253151325 - 21 = 253151323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253151323) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 39549 + ... + 45501.
Almost surely, 2253151325 is an apocalyptic number.
253151325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
253151325 is the 8505-th nonagonal number.
It is an amenable number.
253151325 is an abundant number, since it is smaller than the sum of its proper divisors (284328163).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253151325 is an equidigital number, since it uses as much as digits as its factorization.
253151325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5985 (or 5968 counting only the distinct ones).
The product of its digits is 4500, while the sum is 27.
The square root of 253151325 is about 15910.7298701222. The cubic root of 253151325 is about 632.5964274654.
Adding to 253151325 its sum of digits (27), we get a palindrome (253151352).
The spelling of 253151325 in words is "two hundred fifty-three million, one hundred fifty-one thousand, three hundred twenty-five".
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