Search a number
-
+
16030831 = 591671627
BaseRepresentation
bin111101001001…
…110001101111
31010011110011111
4331021301233
513100441311
61331332451
7253155055
oct75116157
933143144
1016030831
11905a223
125451127
1334238cb
1421b41d5
151619d21
hexf49c6f

16030831 has 8 divisors (see below), whose sum is σ = 16410240. Its totient is φ = 15655128.

The previous prime is 16030811. The next prime is 16030837. The reversal of 16030831 is 13803061.

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 16030831 - 213 = 16022639 is a prime.

It is a super-2 number, since 2×160308312 = 513975085101122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16030837) 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, 9040 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (2051280).

Almost surely, 216030831 is an apocalyptic number.

16030831 is a deficient number, since it is larger than the sum of its proper divisors (379409).

16030831 is a wasteful number, since it uses less digits than its factorization.

16030831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 16030831 is about 4003.8520202425. The cubic root of 16030831 is about 252.1459587380.

Adding to 16030831 its reverse (13803061), we get a palindrome (29833892).

It can be divided in two parts, 16030 and 831, that added together give a palindrome (16861).

The spelling of 16030831 in words is "sixteen million, thirty thousand, eight hundred thirty-one".

Divisors: 1 59 167 1627 9853 95993 271709 16030831