Search a number
-
+
2242837861 = 11227898213
BaseRepresentation
bin1000010110101110…
…1111110101100101
312210022021222010221
42011223233311211
514043131302421
61010315444341
7106402543615
oct20553576545
95708258127
102242837861
11a51029310
125271566b1
1329987cac4
14173c2ca45
15d1d7e841
hex85aefd65

2242837861 has 8 divisors (see below), whose sum is σ = 2457513504. Its totient is φ = 2029959120.

The previous prime is 2242837841. The next prime is 2242837871. The reversal of 2242837861 is 1687382422.

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 2242837861 - 27 = 2242837733 is a prime.

It is a super-4 number, since 4×22428378614 (a number of 39 digits) contains 4444 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 (2242837811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446610 + ... + 451603.

It is an arithmetic number, because the mean of its divisors is an integer number (307189188).

Almost surely, 22242837861 is an apocalyptic number.

It is an amenable number.

2242837861 is a deficient number, since it is larger than the sum of its proper divisors (214675643).

2242837861 is a wasteful number, since it uses less digits than its factorization.

2242837861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898451.

The product of its digits is 258048, while the sum is 43.

The square root of 2242837861 is about 47358.6091539859. The cubic root of 2242837861 is about 1308.9788403921.

The spelling of 2242837861 in words is "two billion, two hundred forty-two million, eight hundred thirty-seven thousand, eight hundred sixty-one".

Divisors: 1 11 227 2497 898213 9880343 203894351 2242837861