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5726561420 = 2251321216751
BaseRepresentation
bin1010101010101010…
…00110010010001100
3112210002112110110102
411111111012102030
543211444431140
62344124030232
7261623653226
oct52525062214
915702473412
105726561420
112479549398
121139992378
1370353aaa8
143c4791416
15237b23e15
hex15554648c

5726561420 has 24 divisors (see below), whose sum is σ = 12034938048. Its totient is φ = 2288880000.

The previous prime is 5726561387. The next prime is 5726561501. The reversal of 5726561420 is 241656275.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81956 + ... + 134795.

It is an arithmetic number, because the mean of its divisors is an integer number (501455752).

Almost surely, 25726561420 is an apocalyptic number.

It is an amenable number.

5726561420 is an abundant number, since it is smaller than the sum of its proper divisors (6308376628).

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

5726561420 is a wasteful number, since it uses less digits than its factorization.

5726561420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218081 (or 218079 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 5726561420 is about 75674.0472024590. The cubic root of 5726561420 is about 1789.0863724959.

The spelling of 5726561420 in words is "five billion, seven hundred twenty-six million, five hundred sixty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1321 2642 5284 6605 13210 26420 216751 433502 867004 1083755 2167510 4335020 286328071 572656142 1145312284 1431640355 2863280710 5726561420