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545356925 = 5221814277
BaseRepresentation
bin100000100000010…
…111110001111101
31102000012000001122
4200200113301331
52104102410200
6130040520325
716341312611
oct4040276175
91360160048
10545356925
1125a926803
121327800a5
1388ca6009
1452601341
1532d27385
hex20817c7d

545356925 has 6 divisors (see below), whose sum is σ = 676242618. Its totient is φ = 436285520.

The previous prime is 545356921. The next prime is 545356963. The reversal of 545356925 is 529653545.

It can be written as a sum of positive squares in 3 ways, for example, as 1674436 + 543682489 = 1294^2 + 23317^2 .

It is not a de Polignac number, because 545356925 - 22 = 545356921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545356921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10907114 + ... + 10907163.

It is an arithmetic number, because the mean of its divisors is an integer number (112707103).

Almost surely, 2545356925 is an apocalyptic number.

It is an amenable number.

545356925 is a deficient number, since it is larger than the sum of its proper divisors (130885693).

545356925 is a wasteful number, since it uses less digits than its factorization.

545356925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814287 (or 21814282 counting only the distinct ones).

The product of its digits is 810000, while the sum is 44.

The square root of 545356925 is about 23352.8783022564. The cubic root of 545356925 is about 817.0091945549.

The spelling of 545356925 in words is "five hundred forty-five million, three hundred fifty-six thousand, nine hundred twenty-five".

Divisors: 1 5 25 21814277 109071385 545356925