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52017669 = 3211525431
BaseRepresentation
bin1100011001101…
…1101000000101
310121212202211100
43012123220011
5101304031134
65054530313
71201100004
oct306335005
9117782740
1052017669
11273a9710
1215506999
13aa138b2
146ca0c3b
154877999
hex319ba05

52017669 has 12 divisors (see below), whose sum is σ = 81967392. Its totient is φ = 31525800.

The previous prime is 52017631. The next prime is 52017703. The reversal of 52017669 is 96671025.

52017669 is a `hidden beast` number, since 520 + 1 + 76 + 69 = 666.

It is not a de Polignac number, because 52017669 - 27 = 52017541 is a prime.

It is a super-2 number, since 2×520176692 = 5411675776387122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52017769) 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, 262617 + ... + 262814.

It is an arithmetic number, because the mean of its divisors is an integer number (6830616).

Almost surely, 252017669 is an apocalyptic number.

It is an amenable number.

52017669 is a deficient number, since it is larger than the sum of its proper divisors (29949723).

52017669 is a wasteful number, since it uses less digits than its factorization.

52017669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525448 (or 525445 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 52017669 is about 7212.3275715957. The cubic root of 52017669 is about 373.2933863685.

The spelling of 52017669 in words is "fifty-two million, seventeen thousand, six hundred sixty-nine".

Divisors: 1 3 9 11 33 99 525431 1576293 4728879 5779741 17339223 52017669