Search a number
-
+
2269831 = 53113379
BaseRepresentation
bin1000101010001010000111
311021022121211
420222022013
51040113311
6120352251
725202404
oct10521207
94238554
102269831
1113103a3
12915687
136161c5
144312ab
152ec821
hex22a287

2269831 has 8 divisors (see below), whose sum is σ = 2339280. Its totient is φ = 2201472.

The previous prime is 2269829. The next prime is 2269843. The reversal of 2269831 is 1389622.

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 2269831 - 21 = 2269829 is a prime.

It is a super-2 number, since 2×22698312 = 10304265537122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2269793 and 2269802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269031) 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, 5800 + ... + 6178.

It is an arithmetic number, because the mean of its divisors is an integer number (292410).

22269831 is an apocalyptic number.

2269831 is a deficient number, since it is larger than the sum of its proper divisors (69449).

2269831 is a wasteful number, since it uses less digits than its factorization.

2269831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 5184, while the sum is 31.

The square root of 2269831 is about 1506.5958316682. The cubic root of 2269831 is about 131.4209213861.

The spelling of 2269831 in words is "two million, two hundred sixty-nine thousand, eight hundred thirty-one".

Divisors: 1 53 113 379 5989 20087 42827 2269831