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2243504730 = 23574783491
BaseRepresentation
bin1000010110111001…
…0010101001011010
312210100112211220210
42011232102221122
514043314122410
61010342031550
7106411322055
oct20556225132
95710484823
102243504730
11a51444345
125274185b6
13299a544bc
14173d63a9c
15d1e62220
hex85b92a5a

2243504730 has 16 divisors (see below), whose sum is σ = 5384411424. Its totient is φ = 598267920.

The previous prime is 2243504719. The next prime is 2243504737. The reversal of 2243504730 is 374053422.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 74783491 = 2243504730 / (2 + 2 + 4 + 3 + 5 + 0 + 4 + 7 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (2243504737) 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, 37391716 + ... + 37391775.

It is an arithmetic number, because the mean of its divisors is an integer number (336525714).

Almost surely, 22243504730 is an apocalyptic number.

2243504730 is an abundant number, since it is smaller than the sum of its proper divisors (3140906694).

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

2243504730 is a wasteful number, since it uses less digits than its factorization.

2243504730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74783501.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 2243504730 is about 47365.6492618860. The cubic root of 2243504730 is about 1309.1085616000.

The spelling of 2243504730 in words is "two billion, two hundred forty-three million, five hundred four thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 74783491 149566982 224350473 373917455 448700946 747834910 1121752365 2243504730