Base | Representation |
---|---|
bin | 111101000111110… |
… | …010100100111001 |
3 | 2122110120101011111 |
4 | 331013302210321 |
5 | 4100003433340 |
6 | 245431000321 |
7 | 34261125661 |
oct | 7507624471 |
9 | 2573511144 |
10 | 1025452345 |
11 | 486928585 |
12 | 2475090a1 |
13 | 1345ac248 |
14 | 9a2951a1 |
15 | 6005caea |
hex | 3d1f2939 |
1025452345 has 16 divisors (see below), whose sum is σ = 1265806080. Its totient is φ = 797105664.
The previous prime is 1025452333. The next prime is 1025452381. The reversal of 1025452345 is 5432545201.
It is a cyclic number.
It is not a de Polignac number, because 1025452345 - 217 = 1025321273 is a prime.
It is an unprimeable number.
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, 16969 + ... + 48361.
It is an arithmetic number, because the mean of its divisors is an integer number (79112880).
Almost surely, 21025452345 is an apocalyptic number.
It is an amenable number.
1025452345 is a deficient number, since it is larger than the sum of its proper divisors (240353735).
1025452345 is a wasteful number, since it uses less digits than its factorization.
1025452345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31584.
The product of its (nonzero) digits is 24000, while the sum is 31.
The square root of 1025452345 is about 32022.6848499622. The cubic root of 1025452345 is about 1008.4131356522.
Adding to 1025452345 its reverse (5432545201), we get a palindrome (6457997546).
The spelling of 1025452345 in words is "one billion, twenty-five million, four hundred fifty-two thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •