Search a number
-
+
216325941 = 31310154919
BaseRepresentation
bin11001110010011…
…01111100110101
3120002001111101220
430321031330311
5420334412231
633244340553
75234511606
oct1471157465
9502044356
10216325941
11101123977
1260544759
1335a82320
1420a31dad
1513ed1896
hexce4df35

216325941 has 16 divisors (see below), whose sum is σ = 313703040. Its totient is φ = 131803200.

The previous prime is 216325903. The next prime is 216325943. The reversal of 216325941 is 149523612.

It is not a de Polignac number, because 216325941 - 213 = 216317749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216325943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23521 + ... + 31398.

It is an arithmetic number, because the mean of its divisors is an integer number (19606440).

Almost surely, 2216325941 is an apocalyptic number.

It is an amenable number.

216325941 is a deficient number, since it is larger than the sum of its proper divisors (97377099).

216325941 is a wasteful number, since it uses less digits than its factorization.

216325941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55036.

The product of its digits is 12960, while the sum is 33.

The square root of 216325941 is about 14708.0230146679. The cubic root of 216325941 is about 600.3016455467.

The spelling of 216325941 in words is "two hundred sixteen million, three hundred twenty-five thousand, nine hundred forty-one".

Divisors: 1 3 13 39 101 303 1313 3939 54919 164757 713947 2141841 5546819 16640457 72108647 216325941