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1045465061 = 4201248861
BaseRepresentation
bin111110010100001…
…000011111100101
32200212020010110012
4332110020133211
54120114340221
6251423540005
734623210044
oct7624103745
92625203405
101045465061
11497157413
1225215a605
131387983a4
149cbc455b
1561bb265b
hex3e5087e5

1045465061 has 4 divisors (see below), whose sum is σ = 1045718124. Its totient is φ = 1045212000.

The previous prime is 1045465033. The next prime is 1045465079. The reversal of 1045465061 is 1605645401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1605645401 = 2924354907.

It can be written as a sum of positive squares in 2 ways, for example, as 293060161 + 752404900 = 17119^2 + 27430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1045465061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045465361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120230 + ... + 128631.

It is an arithmetic number, because the mean of its divisors is an integer number (261429531).

Almost surely, 21045465061 is an apocalyptic number.

It is an amenable number.

1045465061 is a deficient number, since it is larger than the sum of its proper divisors (253063).

1045465061 is an equidigital number, since it uses as much as digits as its factorization.

1045465061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253062.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1045465061 is about 32333.6521444763. The cubic root of 1045465061 is about 1014.9309767262.

The spelling of 1045465061 in words is "one billion, forty-five million, four hundred sixty-five thousand, sixty-one".

Divisors: 1 4201 248861 1045465061