Search a number
-
+
16272231 = 349111047
BaseRepresentation
bin111110000100…
…101101100111
31010121201022020
4332010231213
513131202411
61340434223
7255211623
oct76045547
933551266
1016272231
119204628
125548973
1334a9751
142238183
151666606
hexf84b67

16272231 has 8 divisors (see below), whose sum is σ = 21742464. Its totient is φ = 10825080.

The previous prime is 16272229. The next prime is 16272251. The reversal of 16272231 is 13227261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16272231 - 21 = 16272229 is a prime.

It is a super-2 number, since 2×162722312 = 529571003434722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16272251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 6996.

It is an arithmetic number, because the mean of its divisors is an integer number (2717808).

Almost surely, 216272231 is an apocalyptic number.

16272231 is a deficient number, since it is larger than the sum of its proper divisors (5470233).

16272231 is a wasteful number, since it uses less digits than its factorization.

16272231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11541.

The product of its digits is 1008, while the sum is 24.

The square root of 16272231 is about 4033.8853478997. The cubic root of 16272231 is about 253.4053036899.

Adding to 16272231 its reverse (13227261), we get a palindrome (29499492).

The spelling of 16272231 in words is "sixteen million, two hundred seventy-two thousand, two hundred thirty-one".

Divisors: 1 3 491 1473 11047 33141 5424077 16272231