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5445055540 = 225272252777
BaseRepresentation
bin1010001001000110…
…01111010000110100
3112001110211110222201
411010203033100310
542122413234130
62300150234244
7251635131331
oct50443172064
915043743881
105445055540
112344656901
12107b655984
1368a116b72
14399233988
1521d069bca
hex1448cf434

5445055540 has 12 divisors (see below), whose sum is σ = 11434616676. Its totient is φ = 2178022208.

The previous prime is 5445055529. The next prime is 5445055571. The reversal of 5445055540 is 455505445.

It can be written as a sum of positive squares in 2 ways, for example, as 804176164 + 4640879376 = 28358^2 + 68124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5445055540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136126369 + ... + 136126408.

It is an arithmetic number, because the mean of its divisors is an integer number (952884723).

Almost surely, 25445055540 is an apocalyptic number.

It is an amenable number.

5445055540 is an abundant number, since it is smaller than the sum of its proper divisors (5989561136).

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

5445055540 is a wasteful number, since it uses less digits than its factorization.

5445055540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272252786 (or 272252784 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

The square root of 5445055540 is about 73790.6195935500. The cubic root of 5445055540 is about 1759.2765126385.

The spelling of 5445055540 in words is "five billion, four hundred forty-five million, fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 272252777 544505554 1089011108 1361263885 2722527770 5445055540