Search a number
-
+
216242848 = 256757589
BaseRepresentation
bin11001110001110…
…01101010100000
3120001220021102101
430320321222200
5420324232343
633242500144
75234014423
oct1470715240
9501807371
10216242848
111010774a8
1260504654
1335a53563
1420a0d9ba
1513eb6e4d
hexce39aa0

216242848 has 12 divisors (see below), whose sum is σ = 425728170. Its totient is φ = 108121408.

The previous prime is 216242833. The next prime is 216242869. The reversal of 216242848 is 848242612.

It can be written as a sum of positive squares in only one way, i.e., 141800464 + 74442384 = 11908^2 + 8628^2 .

It is a super-2 number, since 2×2162428482 = 93521938622302208, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3378763 + ... + 3378826.

Almost surely, 2216242848 is an apocalyptic number.

It is an amenable number.

216242848 is a deficient number, since it is larger than the sum of its proper divisors (209485322).

216242848 is an equidigital number, since it uses as much as digits as its factorization.

216242848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6757599 (or 6757591 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 216242848 is about 14705.1979925467. The cubic root of 216242848 is about 600.2247750424.

The spelling of 216242848 in words is "two hundred sixteen million, two hundred forty-two thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 6757589 13515178 27030356 54060712 108121424 216242848