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52216430 = 2575031483
BaseRepresentation
bin1100011100110…
…0001001101110
310122020212110212
43013030021232
5101331411210
65103102422
71202555330
oct307141156
9118225425
1052216430
1127524a82
12155a1a12
13aa831c6
146d13450
1548b6805
hex31cc26e

52216430 has 32 divisors (see below), whose sum is σ = 107702784. Its totient is φ = 17855136.

The previous prime is 52216429. The next prime is 52216441. The reversal of 52216430 is 3461225.

52216430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52216396 and 52216405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34469 + ... + 35951.

It is an arithmetic number, because the mean of its divisors is an integer number (3365712).

Almost surely, 252216430 is an apocalyptic number.

52216430 is an abundant number, since it is smaller than the sum of its proper divisors (55486354).

52216430 is a wasteful number, since it uses less digits than its factorization.

52216430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52216430 is about 7226.0936888474. The cubic root of 52216430 is about 373.7682369747.

Adding to 52216430 its reverse (3461225), we get a palindrome (55677655).

The spelling of 52216430 in words is "fifty-two million, two hundred sixteen thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 503 1006 1483 2515 2966 3521 5030 7042 7415 10381 14830 17605 20762 35210 51905 103810 745949 1491898 3729745 5221643 7459490 10443286 26108215 52216430