Search a number
-
+
16265231 = 79227907
BaseRepresentation
bin111110000011…
…000000001111
31010121100200222
4332003000033
513130441411
61340341555
7255152333
oct76030017
933540628
1016265231
1191aa344
1255448bb
1334a64c8
1422357c3
1516644db
hexf8300f

16265231 has 8 divisors (see below), whose sum is σ = 16561920. Its totient is φ = 15970968.

The previous prime is 16265191. The next prime is 16265239. The reversal of 16265231 is 13256261.

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

It is a cyclic number.

It is not a de Polignac number, because 16265231 - 210 = 16264207 is a prime.

It is a super-2 number, since 2×162652312 = 529115478966722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16265231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16265239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17480 + ... + 18386.

It is an arithmetic number, because the mean of its divisors is an integer number (2070240).

Almost surely, 216265231 is an apocalyptic number.

16265231 is a deficient number, since it is larger than the sum of its proper divisors (296689).

16265231 is an equidigital number, since it uses as much as digits as its factorization.

16265231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its digits is 2160, while the sum is 26.

The square root of 16265231 is about 4033.0176047223. The cubic root of 16265231 is about 253.3689617865.

The spelling of 16265231 in words is "sixteen million, two hundred sixty-five thousand, two hundred thirty-one".

Divisors: 1 79 227 907 17933 71653 205889 16265231