Base | Representation |
---|---|
bin | 1011101101111011… |
… | …1010001011101001 |
3 | 22010012201000021210 |
4 | 2323132322023221 |
5 | 22420213121100 |
6 | 1240041423333 |
7 | 140642546625 |
oct | 27336721351 |
9 | 8105630253 |
10 | 3145442025 |
11 | 137457a170 |
12 | 73949ab49 |
13 | 3b18788cb |
14 | 21ba66185 |
15 | 136222c50 |
hex | bb7ba2e9 |
3145442025 has 24 divisors (see below), whose sum is σ = 5673235104. Its totient is φ = 1525062400.
The previous prime is 3145442023. The next prime is 3145442029. The reversal of 3145442025 is 5202445413.
It is not a de Polignac number, because 3145442025 - 21 = 3145442023 is a prime.
It is a super-2 number, since 2×31454420252 = 19787611065272201250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3145441983 and 3145442001.
It is not an unprimeable number, because it can be changed into a prime (3145442023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1905504 + ... + 1907153.
It is an arithmetic number, because the mean of its divisors is an integer number (236384796).
Almost surely, 23145442025 is an apocalyptic number.
It is an amenable number.
3145442025 is a deficient number, since it is larger than the sum of its proper divisors (2527793079).
3145442025 is a wasteful number, since it uses less digits than its factorization.
3145442025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3812681 (or 3812676 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
The square root of 3145442025 is about 56084.2404334765. The cubic root of 3145442025 is about 1465.1898281278.
Adding to 3145442025 its reverse (5202445413), we get a palindrome (8347887438).
The spelling of 3145442025 in words is "three billion, one hundred forty-five million, four hundred forty-two thousand, twenty-five".
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