Search a number
-
+
216365341 = 172748669
BaseRepresentation
bin11001110010101…
…11100100011101
3120002010111110011
430321113210131
5420342142331
633245243221
75235034513
oct1471274435
9502114404
10216365341
11101150535
1260563511
1335a9723a
1420a424b3
1513edd3b1
hexce5791d

216365341 has 6 divisors (see below), whose sum is σ = 229841690. Its totient is φ = 203637696.

The previous prime is 216365339. The next prime is 216365363. The reversal of 216365341 is 143563612.

It can be written as a sum of positive squares in 3 ways, for example, as 152028900 + 64336441 = 12330^2 + 8021^2 .

It is not a de Polignac number, because 216365341 - 21 = 216365339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216365321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374046 + ... + 374623.

Almost surely, 2216365341 is an apocalyptic number.

It is an amenable number.

216365341 is a deficient number, since it is larger than the sum of its proper divisors (13476349).

216365341 is an equidigital number, since it uses as much as digits as its factorization.

216365341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748703 (or 748686 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 216365341 is about 14709.3623587156. The cubic root of 216365341 is about 600.3380881619.

The spelling of 216365341 in words is "two hundred sixteen million, three hundred sixty-five thousand, three hundred forty-one".

Divisors: 1 17 289 748669 12727373 216365341