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5520045412 = 227228163497
BaseRepresentation
bin1010010010000010…
…10011010101100100
3112020200221100202101
411021001103111210
542301112423122
62311425421444
7253535416600
oct51101232544
915220840671
105520045412
112382a15902
1210a079a884
1369c81197b
143a5194500
1522492e027
hex149053564

5520045412 has 18 divisors (see below), whose sum is σ = 11237235702. Its totient is φ = 2365733664.

The previous prime is 5520045409. The next prime is 5520045437. The reversal of 5520045412 is 2145400255.

It can be written as a sum of positive squares in only one way, i.e., 5099959396 + 420086016 = 71414^2 + 20496^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14081553 + ... + 14081944.

Almost surely, 25520045412 is an apocalyptic number.

It is an amenable number.

5520045412 is an abundant number, since it is smaller than the sum of its proper divisors (5717190290).

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

5520045412 is a wasteful number, since it uses less digits than its factorization.

5520045412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28163515 (or 28163506 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5520045412 is about 74297.0080958850. The cubic root of 5520045412 is about 1767.3160309128.

Adding to 5520045412 its reverse (2145400255), we get a palindrome (7665445667).

The spelling of 5520045412 in words is "five billion, five hundred twenty million, forty-five thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 28163497 56326994 112653988 197144479 394288958 788577916 1380011353 2760022706 5520045412