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2242470521 = 23322134349
BaseRepresentation
bin1000010110101001…
…0110001001111001
312210021121022020202
42011222112021321
514043033024041
61010303531545
7106366453634
oct20552261171
95707538222
102242470521
11a508a8325
12526bb9bb5
13299781845
14173b74c1b
15d1d0aa9b
hex85a96279

2242470521 has 8 divisors (see below), whose sum is σ = 2253630600. Its totient is φ = 2231324032.

The previous prime is 2242470509. The next prime is 2242470539. The reversal of 2242470521 is 1250742422.

It can be written as a sum of positive squares in 4 ways, for example, as 155351296 + 2087119225 = 12464^2 + 45685^2 .

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 2242470521 - 26 = 2242470457 is a prime.

It is a super-2 number, since 2×22424705212 = 10057348075108022882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242479521) 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, 513455 + ... + 517803.

It is an arithmetic number, because the mean of its divisors is an integer number (281703825).

Almost surely, 22242470521 is an apocalyptic number.

It is an amenable number.

2242470521 is a deficient number, since it is larger than the sum of its proper divisors (11160079).

2242470521 is a wasteful number, since it uses less digits than its factorization.

2242470521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 2242470521 is about 47354.7307140480. The cubic root of 2242470521 is about 1308.9073734128.

The spelling of 2242470521 in words is "two billion, two hundred forty-two million, four hundred seventy thousand, five hundred twenty-one".

Divisors: 1 233 2213 4349 515629 1013317 9624337 2242470521