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216246152 = 2343276247
BaseRepresentation
bin11001110001110…
…10011110001000
3120001220102221202
430320322132020
5420324334102
633242523332
75234030153
oct1470723610
9501812852
10216246152
11101079a31
1260506548
1335a54c05
1420a10c9a
1513eb7e02
hexce3a788

216246152 has 16 divisors (see below), whose sum is σ = 405620160. Its totient is φ = 108080784.

The previous prime is 216246133. The next prime is 216246157. The reversal of 216246152 is 251642612.

216246152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216246157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31493 + ... + 37739.

It is an arithmetic number, because the mean of its divisors is an integer number (25351260).

Almost surely, 2216246152 is an apocalyptic number.

It is an amenable number.

216246152 is a deficient number, since it is larger than the sum of its proper divisors (189374008).

216246152 is a wasteful number, since it uses less digits than its factorization.

216246152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580 (or 10576 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 216246152 is about 14705.3103333456. The cubic root of 216246152 is about 600.2278319952.

Adding to 216246152 its reverse (251642612), we get a palindrome (467888764).

The spelling of 216246152 in words is "two hundred sixteen million, two hundred forty-six thousand, one hundred fifty-two".

Divisors: 1 2 4 8 4327 6247 8654 12494 17308 24988 34616 49976 27030769 54061538 108123076 216246152