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511345045 = 5103992903
BaseRepresentation
bin11110011110101…
…000000110010101
31022122012000112101
4132132220012111
52021401020140
6122423522101
715446234611
oct3636500625
91278160471
10511345045
11242706112
121232b9331
1381c27c43
144bcaa341
152ed5999a
hex1e7a8195

511345045 has 8 divisors (see below), whose sum is σ = 619572096. Its totient is φ = 405104016.

The previous prime is 511345013. The next prime is 511345049. The reversal of 511345045 is 540543115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 511345045 - 25 = 511345013 is a prime.

It is a super-2 number, since 2×5113450452 = 522947510092104050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511345049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495937 + ... + 496966.

It is an arithmetic number, because the mean of its divisors is an integer number (77446512).

Almost surely, 2511345045 is an apocalyptic number.

It is an amenable number.

511345045 is a deficient number, since it is larger than the sum of its proper divisors (108227051).

511345045 is a wasteful number, since it uses less digits than its factorization.

511345045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993011.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 511345045 is about 22612.9397690791. The cubic root of 511345045 is about 799.6587320451.

The spelling of 511345045 in words is "five hundred eleven million, three hundred forty-five thousand, forty-five".

Divisors: 1 5 103 515 992903 4964515 102269009 511345045