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52066647 = 3247831483
BaseRepresentation
bin1100011010011…
…1100101010111
310121222021000100
43012213211113
5101312113042
65055545143
71201362543
oct306474527
9117867010
1052066647
1127432496
121552b1b3
13aa2cc89
146cb4a23
15488724c
hex31a7957

52066647 has 24 divisors (see below), whose sum is σ = 77785344. Its totient is φ = 33540624.

The previous prime is 52066633. The next prime is 52066649. The reversal of 52066647 is 74666025.

It is not a de Polignac number, because 52066647 - 27 = 52066519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52066649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34368 + ... + 35850.

It is an arithmetic number, because the mean of its divisors is an integer number (3241056).

Almost surely, 252066647 is an apocalyptic number.

52066647 is a deficient number, since it is larger than the sum of its proper divisors (25718697).

52066647 is a wasteful number, since it uses less digits than its factorization.

52066647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 52066647 is about 7215.7222091763. The cubic root of 52066647 is about 373.4105095728.

The spelling of 52066647 in words is "fifty-two million, sixty-six thousand, six hundred forty-seven".

Divisors: 1 3 9 47 83 141 249 423 747 1483 3901 4449 11703 13347 35109 69701 123089 209103 369267 627309 1107801 5785183 17355549 52066647