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5720657730 = 235223785243
BaseRepresentation
bin1010101001111101…
…00100111101000010
3112202200102112010020
411110332210331002
543203442021410
62343353314310
7261522534264
oct52476447502
915680375106
105720657730
112476186907
121137a05996
13702251898
143c3a95b34
15237359a70
hex154fa4f42

5720657730 has 32 divisors (see below), whose sum is σ = 13735877184. Its totient is φ = 1524808896.

The previous prime is 5720657689. The next prime is 5720657749. The reversal of 5720657730 is 377560275.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24489 + ... + 109731.

It is an arithmetic number, because the mean of its divisors is an integer number (429246162).

Almost surely, 25720657730 is an apocalyptic number.

5720657730 is an abundant number, since it is smaller than the sum of its proper divisors (8015219454).

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

5720657730 is a wasteful number, since it uses less digits than its factorization.

5720657730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87490.

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 5720657730 is about 75635.0297811801. The cubic root of 5720657730 is about 1788.4713528666.

The spelling of 5720657730 in words is "five billion, seven hundred twenty million, six hundred fifty-seven thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2237 4474 6711 11185 13422 22370 33555 67110 85243 170486 255729 426215 511458 852430 1278645 2557290 190688591 381377182 572065773 953442955 1144131546 1906885910 2860328865 5720657730