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5721002844 = 223476750237
BaseRepresentation
bin1010101001111111…
…11001001101011100
3112202201002001112020
411110333321031130
543204034042334
62343404540140
7261525502404
oct52477711534
915681061466
105721002844
1124763a2127
121137b51650
137023429ab
143c3b45804
152373c6e49
hex154ff935c

5721002844 has 12 divisors (see below), whose sum is σ = 13349006664. Its totient is φ = 1907000944.

The previous prime is 5721002839. The next prime is 5721002879. The reversal of 5721002844 is 4482001275.

It is a tau number, because it is divible by the number of its divisors (12).

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, 238375107 + ... + 238375130.

It is an arithmetic number, because the mean of its divisors is an integer number (1112417222).

Almost surely, 25721002844 is an apocalyptic number.

It is an amenable number.

5721002844 is an abundant number, since it is smaller than the sum of its proper divisors (7628003820).

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

5721002844 is a wasteful number, since it uses less digits than its factorization.

5721002844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476750244 (or 476750242 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 5721002844 is about 75637.3111896503. The cubic root of 5721002844 is about 1788.5073169183.

The spelling of 5721002844 in words is "five billion, seven hundred twenty-one million, two thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 476750237 953500474 1430250711 1907000948 2860501422 5721002844