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52552709 = 117167289
BaseRepresentation
bin1100100001111…
…0010000000101
310122212221202122
43020132100011
5101423141314
65114215325
71205455616
oct310362005
9118787678
1052552709
11277346a0
1215724545
13ab702a1
146d9dc0d
15493128e
hex321e405

52552709 has 8 divisors (see below), whose sum is σ = 58138560. Its totient is φ = 47101600.

The previous prime is 52552697. The next prime is 52552771. The reversal of 52552709 is 90725525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52552709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52552009) 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, 32864 + ... + 34425.

It is an arithmetic number, because the mean of its divisors is an integer number (7267320).

Almost surely, 252552709 is an apocalyptic number.

It is an amenable number.

52552709 is a deficient number, since it is larger than the sum of its proper divisors (5585851).

52552709 is a wasteful number, since it uses less digits than its factorization.

52552709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67371.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 52552709 is about 7249.3247271729. The cubic root of 52552709 is about 374.5688888681.

The spelling of 52552709 in words is "fifty-two million, five hundred fifty-two thousand, seven hundred nine".

Divisors: 1 11 71 781 67289 740179 4777519 52552709