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52430205 = 355036949
BaseRepresentation
bin1100100000000…
…0010101111101
310122122201201110
43020000111331
5101410231310
65111432233
71204435512
oct310002575
9118581643
1052430205
1127660653
1215685679
13ab295b9
146d6b309
154909d20
hex320057d

52430205 has 16 divisors (see below), whose sum is σ = 84067200. Its totient is φ = 27903168.

The previous prime is 52430153. The next prime is 52430219. The reversal of 52430205 is 50203425.

It is not a de Polignac number, because 52430205 - 26 = 52430141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4071 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (5254200).

Almost surely, 252430205 is an apocalyptic number.

It is an amenable number.

52430205 is a deficient number, since it is larger than the sum of its proper divisors (31636995).

52430205 is a wasteful number, since it uses less digits than its factorization.

52430205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52430205 is about 7240.8704587225. The cubic root of 52430205 is about 374.2776137597.

The spelling of 52430205 in words is "fifty-two million, four hundred thirty thousand, two hundred five".

Divisors: 1 3 5 15 503 1509 2515 6949 7545 20847 34745 104235 3495347 10486041 17476735 52430205