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5245500251 = 291371320287
BaseRepresentation
bin1001110001010011…
…11111101101011011
3111112120100000121002
410320221333231123
541220322002001
62224301135215
7243663005435
oct47051775533
914476300532
105245500251
112251a47a82
12102485a50b
13657987104
1437a929655
1520a79c46b
hex138a7fb5b

5245500251 has 8 divisors (see below), whose sum is σ = 5465992320. Its totient is φ = 5027649088.

The previous prime is 5245500241. The next prime is 5245500257. The reversal of 5245500251 is 1520055425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5245500251 - 26 = 5245500187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5245500257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656171 + ... + 664116.

It is an arithmetic number, because the mean of its divisors is an integer number (683249040).

Almost surely, 25245500251 is an apocalyptic number.

5245500251 is a deficient number, since it is larger than the sum of its proper divisors (220492069).

5245500251 is a wasteful number, since it uses less digits than its factorization.

5245500251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320453.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 5245500251 is about 72425.8258565272. The cubic root of 5245500251 is about 1737.5166329757.

Adding to 5245500251 its reverse (1520055425), we get a palindrome (6765555676).

The spelling of 5245500251 in words is "five billion, two hundred forty-five million, five hundred thousand, two hundred fifty-one".

Divisors: 1 29 137 3973 1320287 38288323 180879319 5245500251