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565428405 = 3537695227
BaseRepresentation
bin100001101100111…
…100000010110101
31110101221201221210
4201230330002311
52124222202110
6132035032033
720004030213
oct4154740265
91411851853
10565428405
11270195803
1213943b619
13901b2b29
1455147cb3
153498e520
hex21b3c0b5

565428405 has 8 divisors (see below), whose sum is σ = 904685472. Its totient is φ = 301561808.

The previous prime is 565428361. The next prime is 565428419. The reversal of 565428405 is 504824565.

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 565428405 - 212 = 565424309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18847599 + ... + 18847628.

It is an arithmetic number, because the mean of its divisors is an integer number (113085684).

Almost surely, 2565428405 is an apocalyptic number.

It is an amenable number.

565428405 is a deficient number, since it is larger than the sum of its proper divisors (339257067).

565428405 is a wasteful number, since it uses less digits than its factorization.

565428405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37695235.

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 565428405 is about 23778.7385073305. The cubic root of 565428405 is about 826.9118342768.

The spelling of 565428405 in words is "five hundred sixty-five million, four hundred twenty-eight thousand, four hundred five".

Divisors: 1 3 5 15 37695227 113085681 188476135 565428405