Base | Representation |
---|---|
bin | 111101000110001… |
… | …000010011101000 |
3 | 2122102202021001222 |
4 | 331012020103220 |
5 | 4044401021224 |
6 | 245413401212 |
7 | 34254333641 |
oct | 7506102350 |
9 | 2572667058 |
10 | 1025017064 |
11 | 486660545 |
12 | 247339208 |
13 | 134489096 |
14 | 9a1c06c8 |
15 | 5eec3b5e |
hex | 3d1884e8 |
1025017064 has 32 divisors (see below), whose sum is σ = 1990521000. Its totient is φ = 494253312.
The previous prime is 1025017061. The next prime is 1025017069. The reversal of 1025017064 is 4607105201.
It can be written as a sum of positive squares in 4 ways, for example, as 951228964 + 73788100 = 30842^2 + 8590^2 .
It is not an unprimeable number, because it can be changed into a prime (1025017061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245942 + ... + 250074.
Almost surely, 21025017064 is an apocalyptic number.
It is an amenable number.
1025017064 is a deficient number, since it is larger than the sum of its proper divisors (965503936).
1025017064 is a wasteful number, since it uses less digits than its factorization.
1025017064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5237 (or 5233 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 1025017064 is about 32015.8876809624. The cubic root of 1025017064 is about 1008.2704327101.
The spelling of 1025017064 in words is "one billion, twenty-five million, seventeen thousand, sixty-four".
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