Base | Representation |
---|---|
bin | 1000000001001011… |
… | …1101110100000001 |
3 | 12120000020001202022 |
4 | 2000102331310001 |
5 | 13402012033200 |
6 | 553330331225 |
7 | 104224366151 |
oct | 20022756401 |
9 | 5500201668 |
10 | 2152455425 |
11 | a0500668a |
12 | 500a29b15 |
13 | 283c25a83 |
14 | 165c22761 |
15 | c8e79885 |
hex | 804bdd01 |
2152455425 has 12 divisors (see below), whose sum is σ = 2826047916. Its totient is φ = 1620672000.
The previous prime is 2152455379. The next prime is 2152455463. The reversal of 2152455425 is 5245542512.
It can be written as a sum of positive squares in 6 ways, for example, as 90478144 + 2061977281 = 9512^2 + 45409^2 .
It is not a de Polignac number, because 2152455425 - 226 = 2085346561 is a prime.
It is a super-2 number, since 2×21524554252 = 9266128713223861250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian 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, 2531876 + ... + 2532725.
It is an arithmetic number, because the mean of its divisors is an integer number (235503993).
Almost surely, 22152455425 is an apocalyptic number.
2152455425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2152455425 is a deficient number, since it is larger than the sum of its proper divisors (673592491).
2152455425 is a wasteful number, since it uses less digits than its factorization.
2152455425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5064628 (or 5064623 counting only the distinct ones).
The product of its digits is 80000, while the sum is 35.
The square root of 2152455425 is about 46394.5624507873. The cubic root of 2152455425 is about 1291.1540310968.
Adding to 2152455425 its reverse (5245542512), we get a palindrome (7397997937).
The spelling of 2152455425 in words is "two billion, one hundred fifty-two million, four hundred fifty-five thousand, four hundred twenty-five".
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