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1802222441 = 53121727941
BaseRepresentation
bin110101101101011…
…1011101101101001
311122121012101102022
41223122323231221
512142332104231
6454455514225
762442431555
oct15332735551
94577171368
101802222441
11845342438
12423688975
132294ba816
141314d4865
15a8346c7b
hex6b6bbb69

1802222441 has 8 divisors (see below), whose sum is σ = 1837801224. Its totient is φ = 1766702080.

The previous prime is 1802222399. The next prime is 1802222453. The reversal of 1802222441 is 1442222081.

It can be written as a sum of positive squares in 4 ways, for example, as 295152400 + 1507070041 = 17180^2 + 38821^2 .

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 1802222441 - 210 = 1802221417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1802222441.

It is not an unprimeable number, because it can be changed into a prime (1802222141) 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, 50531 + ... + 78471.

It is an arithmetic number, because the mean of its divisors is an integer number (229725153).

Almost surely, 21802222441 is an apocalyptic number.

It is an amenable number.

1802222441 is a deficient number, since it is larger than the sum of its proper divisors (35578783).

1802222441 is a wasteful number, since it uses less digits than its factorization.

1802222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29211.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 1802222441 is about 42452.5905098853. The cubic root of 1802222441 is about 1216.9408352503.

The spelling of 1802222441 in words is "one billion, eight hundred two million, two hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 53 1217 27941 64501 1480873 34004197 1802222441