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5280252997 = 8087652931
BaseRepresentation
bin1001110101011101…
…00100010001000101
3111121222201122101211
410322232210101011
541303221043442
62231542051421
7244564260415
oct47256442105
914558648354
105280252997
11226a624258
121034419b71
13661c34476
143813b4645
1520d864617
hex13aba4445

5280252997 has 4 divisors (see below), whose sum is σ = 5280914016. Its totient is φ = 5279591980.

The previous prime is 5280252979. The next prime is 5280253073. The reversal of 5280252997 is 7992520825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5280252997 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5280252997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5280252907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318379 + ... + 334552.

It is an arithmetic number, because the mean of its divisors is an integer number (1320228504).

Almost surely, 25280252997 is an apocalyptic number.

It is an amenable number.

5280252997 is a deficient number, since it is larger than the sum of its proper divisors (661019).

5280252997 is an equidigital number, since it uses as much as digits as its factorization.

5280252997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661018.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 5280252997 is about 72665.3493557968. The cubic root of 5280252997 is about 1741.3453501714.

The spelling of 5280252997 in words is "five billion, two hundred eighty million, two hundred fifty-two thousand, nine hundred ninety-seven".

Divisors: 1 8087 652931 5280252997