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52530269 = 1119376793
BaseRepresentation
bin1100100001100…
…0110001011101
310122211210222112
43020120301131
5101421432034
65113523405
71205333321
oct310306135
9118753875
1052530269
1127719850
1215713565
13ab62ccc
146d95981
1549297ce
hex3218c5d

52530269 has 16 divisors (see below), whose sum is σ = 61961280. Its totient is φ = 44012160.

The previous prime is 52530263. The next prime is 52530311. The reversal of 52530269 is 96203525.

It is a cyclic number.

It is not a de Polignac number, because 52530269 - 28 = 52530013 is a prime.

It is a super-2 number, since 2×525302692 = 5518858322424722, 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 (52530263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4337 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (3872580).

Almost surely, 252530269 is an apocalyptic number.

It is an amenable number.

52530269 is a deficient number, since it is larger than the sum of its proper divisors (9431011).

52530269 is a wasteful number, since it uses less digits than its factorization.

52530269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 52530269 is about 7247.7768315532. The cubic root of 52530269 is about 374.5155676555.

The spelling of 52530269 in words is "fifty-two million, five hundred thirty thousand, two hundred sixty-nine".

Divisors: 1 11 19 37 209 407 703 6793 7733 74723 129067 251341 1419737 2764751 4775479 52530269