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5471907840 = 21232574241
BaseRepresentation
bin1010001100010011…
…01011000000000000
3112010100100201102100
411012021223000000
542201302022330
62302545550400
7252412310040
oct50611530000
915110321370
105471907840
112358827393
121088645400
136928591b9
1439ca23720
152205c1060
hex14626b000

5471907840 has 312 divisors, whose sum is σ = 21681642528. Its totient is φ = 1250426880.

The previous prime is 5471907823. The next prime is 5471907841. The reversal of 5471907840 is 487091745.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5471907841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1288120 + ... + 1292360.

It is an arithmetic number, because the mean of its divisors is an integer number (69492444).

Almost surely, 25471907840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5471907840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10840821264).

5471907840 is an abundant number, since it is smaller than the sum of its proper divisors (16209734688).

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

5471907840 is a wasteful number, since it uses less digits than its factorization.

5471907840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 5471907840 is about 73972.3451027477. The cubic root of 5471907840 is about 1762.1637300220.

The spelling of 5471907840 in words is "five billion, four hundred seventy-one million, nine hundred seven thousand, eight hundred forty".