Search a number
-
+
2243124078 = 2313194493371
BaseRepresentation
bin1000010110110011…
…0101101101101110
312210022211111202120
42011230311231232
514043214432303
61010325533410
7106405145226
oct20554655556
95708744676
102243124078
11a51204358
12527274266
13299950170
14173ca5086
15d1dd9553
hex85b35b6e

2243124078 has 64 divisors (see below), whose sum is σ = 5098464000. Its totient is φ = 652216320.

The previous prime is 2243124077. The next prime is 2243124089. The reversal of 2243124078 is 8704213422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243124073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663733 + ... + 667103.

It is an arithmetic number, because the mean of its divisors is an integer number (79663500).

Almost surely, 22243124078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243124078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2549232000).

2243124078 is an abundant number, since it is smaller than the sum of its proper divisors (2855339922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243124078 is a wasteful number, since it uses less digits than its factorization.

2243124078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2243124078 is about 47361.6308629675. The cubic root of 2243124078 is about 1309.0345192663.

The spelling of 2243124078 in words is "two billion, two hundred forty-three million, one hundred twenty-four thousand, seventy-eight".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 449 494 741 898 1347 1482 2694 3371 5837 6742 8531 10113 11674 17062 17511 20226 25593 35022 43823 51186 64049 87646 110903 128098 131469 192147 221806 262938 332709 384294 665418 832637 1513579 1665274 2497911 3027158 4540737 4995822 9081474 19676527 28758001 39353054 57516002 59029581 86274003 118059162 172548006 373854013 747708026 1121562039 2243124078