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5245208131 = 472293111567
BaseRepresentation
bin1001110001010001…
…11000011001000011
3111112112210011212211
410320220320121003
541220233130011
62224251002551
7243660350662
oct47050703103
914475704784
105245208131
112251868559
121024739457
136578b4167
1437a890dd9
1520a740b21
hex138a38643

5245208131 has 16 divisors (see below), whose sum is σ = 5400944640. Its totient is φ = 5091504480.

The previous prime is 5245208119. The next prime is 5245208149. The reversal of 5245208131 is 1318025425.

It is a cyclic number.

It is not a de Polignac number, because 5245208131 - 25 = 5245208099 is a prime.

It is a super-2 number, since 2×52452081312 = 55024416675017026322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5245208093 and 5245208102.

It is not an unprimeable number, because it can be changed into a prime (5245208531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3346510 + ... + 3348076.

It is an arithmetic number, because the mean of its divisors is an integer number (337559040).

Almost surely, 25245208131 is an apocalyptic number.

5245208131 is a deficient number, since it is larger than the sum of its proper divisors (155736509).

5245208131 is a wasteful number, since it uses less digits than its factorization.

5245208131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 5245208131 is about 72423.8091445072. The cubic root of 5245208131 is about 1737.4843784873.

The spelling of 5245208131 in words is "five billion, two hundred forty-five million, two hundred eight thousand, one hundred thirty-one".

Divisors: 1 47 229 311 1567 10763 14617 71219 73649 358843 487337 3347293 16865621 22904839 111600173 5245208131