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52430305 = 5711131307
BaseRepresentation
bin1100100000000…
…0010111100001
310122122201212011
43020000113201
5101410232210
65111432521
71204436014
oct310002741
9118581764
1052430305
1127660734
1215685741
13ab29665
146d6b37b
154909d8a
hex32005e1

52430305 has 16 divisors (see below), whose sum is σ = 64416384. Its totient is φ = 40956160.

The previous prime is 52430297. The next prime is 52430327. The reversal of 52430305 is 50303425.

It is not a de Polignac number, because 52430305 - 23 = 52430297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39462 + ... + 40768.

It is an arithmetic number, because the mean of its divisors is an integer number (4026024).

Almost surely, 252430305 is an apocalyptic number.

It is an amenable number.

52430305 is a deficient number, since it is larger than the sum of its proper divisors (11986079).

52430305 is a wasteful number, since it uses less digits than its factorization.

52430305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 52430305 is about 7240.8773639663. The cubic root of 52430305 is about 374.2778517124.

The spelling of 52430305 in words is "fifty-two million, four hundred thirty thousand, three hundred five".

Divisors: 1 5 71 113 355 565 1307 6535 8023 40115 92797 147691 463985 738455 10486061 52430305