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1081464925 = 52369711701
BaseRepresentation
bin100000001110101…
…1101100001011101
32210100222002222111
41000131131201131
54203323334200
6255151314021
735541204652
oct10035354135
92710862874
101081464925
11505505672
1226221b911
13143091298
14a38b5c29
1564e240ba
hex4075d85d

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".

Divisors: 1 5 25 3697 11701 18485 58505 92425 292525 43258597 216292985 1081464925