Base | Representation |
---|---|
bin | 100000001110101… |
… | …1101100001011101 |
3 | 2210100222002222111 |
4 | 1000131131201131 |
5 | 4203323334200 |
6 | 255151314021 |
7 | 35541204652 |
oct | 10035354135 |
9 | 2710862874 |
10 | 1081464925 |
11 | 505505672 |
12 | 26221b911 |
13 | 143091298 |
14 | a38b5c29 |
15 | 64e240ba |
hex | 4075d85d |
1081464925 has 12 divisors (see below), whose sum is σ = 1341493876. Its totient is φ = 864864000.
The previous prime is 1081464919. The next prime is 1081464929. The reversal of 1081464925 is 5294641801.
It can be written as a sum of positive squares in 6 ways, for example, as 57592921 + 1023872004 = 7589^2 + 31998^2 .
It is not a de Polignac number, because 1081464925 - 25 = 1081464893 is a prime.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081464929) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86575 + ... + 98275.
Almost surely, 21081464925 is an apocalyptic number.
It is an amenable number.
1081464925 is a deficient number, since it is larger than the sum of its proper divisors (260028951).
1081464925 is a wasteful number, since it uses less digits than its factorization.
1081464925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15408 (or 15403 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 40.
The square root of 1081464925 is about 32885.6340215602. The cubic root of 1081464925 is about 1026.4492448150.
The spelling of 1081464925 in words is "one billion, eighty-one million, four hundred sixty-four thousand, nine hundred twenty-five".
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