Base | Representation |
---|---|
bin | 11110001101011… |
… | …10100110111111 |
3 | 122122212011122120 |
4 | 33012232212333 |
5 | 1004334001030 |
6 | 41051414023 |
7 | 6165023460 |
oct | 1706564677 |
9 | 578764576 |
10 | 253422015 |
11 | 120060790 |
12 | 70a54313 |
13 | 40670172 |
14 | 2592ad67 |
15 | 173ad010 |
hex | f1ae9bf |
253422015 has 64 divisors (see below), whose sum is σ = 507866112. Its totient is φ = 104832000.
The previous prime is 253421983. The next prime is 253422017. The reversal of 253422015 is 510224352.
It is not a de Polignac number, because 253422015 - 25 = 253421983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253422017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 361165 + ... + 361865.
It is an arithmetic number, because the mean of its divisors is an integer number (7935408).
Almost surely, 2253422015 is an apocalyptic number.
253422015 is an abundant number, since it is smaller than the sum of its proper divisors (254444097).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253422015 is a wasteful number, since it uses less digits than its factorization.
253422015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1040.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 253422015 is about 15919.2341210248. The cubic root of 253422015 is about 632.8218216764.
Adding to 253422015 its reverse (510224352), we get a palindrome (763646367).
The spelling of 253422015 in words is "two hundred fifty-three million, four hundred twenty-two thousand, fifteen".
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