Search a number
-
+
2200231 = 111391439
BaseRepresentation
bin1000011001001010100111
311010210011001
420121022213
51030401411
6115054131
724462445
oct10311247
94123131
102200231
111273080
128a1347
135c0617
14413b95
152d6dc1
hex2192a7

2200231 has 8 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 1984440.

The previous prime is 2200217. The next prime is 2200277. The reversal of 2200231 is 1320022.

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 2200231 - 25 = 2200199 is a prime.

It is a super-2 number, since 2×22002312 = 9682032906722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200291) 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, 810 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

22200231 is an apocalyptic number.

2200231 is a deficient number, since it is larger than the sum of its proper divisors (218969).

2200231 is a wasteful number, since it uses less digits than its factorization.

2200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2200231 is about 1483.3175654593. The cubic root of 2200231 is about 130.0636965959.

Adding to 2200231 its reverse (1320022), we get a palindrome (3520253).

The spelling of 2200231 in words is "two million, two hundred thousand, two hundred thirty-one".

Divisors: 1 11 139 1439 1529 15829 200021 2200231