Base | Representation |
---|---|
bin | 11110001101110… |
… | …11010011001011 |
3 | 122122221210221202 |
4 | 33012323103023 |
5 | 1004342131440 |
6 | 41052454415 |
7 | 6165331145 |
oct | 1706732313 |
9 | 578853852 |
10 | 253473995 |
11 | 120096845 |
12 | 70a7a40b |
13 | 4068aa18 |
14 | 25941c95 |
15 | 173bd615 |
hex | f1bb4cb |
253473995 has 16 divisors (see below), whose sum is σ = 322545888. Its totient is φ = 190563840.
The previous prime is 253473991. The next prime is 253474027. The reversal of 253473995 is 599374352.
It is not a de Polignac number, because 253473995 - 22 = 253473991 is a prime.
It is a super-2 number, since 2×2534739952 = 128498132282520050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (253473991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67097 + ... + 70773.
It is an arithmetic number, because the mean of its divisors is an integer number (20159118).
Almost surely, 2253473995 is an apocalyptic number.
253473995 is a deficient number, since it is larger than the sum of its proper divisors (69071893).
253473995 is a wasteful number, since it uses less digits than its factorization.
253473995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4510.
The product of its digits is 1020600, while the sum is 47.
The square root of 253473995 is about 15920.8666535462. The cubic root of 253473995 is about 632.8650852547.
The spelling of 253473995 in words is "two hundred fifty-three million, four hundred seventy-three thousand, nine hundred ninety-five".
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