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5249804431 = 29181027739
BaseRepresentation
bin1001110001110100…
…11010100010001111
3111112212102200211011
410320322122202033
541222422220211
62224533310051
7244044413164
oct47072324217
914485380734
105249804431
112254417853
121026195327
13658833271
1437b32a06b
1520ad4c921
hex138e9a88f

5249804431 has 4 divisors (see below), whose sum is σ = 5430832200. Its totient is φ = 5068776664.

The previous prime is 5249804423. The next prime is 5249804437. The reversal of 5249804431 is 1344089425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5249804431 - 23 = 5249804423 is a prime.

It is a super-2 number, since 2×52498044312 = 55120893127494467522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249804437) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 90513841 + ... + 90513898.

It is an arithmetic number, because the mean of its divisors is an integer number (1357708050).

Almost surely, 25249804431 is an apocalyptic number.

5249804431 is a deficient number, since it is larger than the sum of its proper divisors (181027769).

5249804431 is a wasteful number, since it uses less digits than its factorization.

5249804431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181027768.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 5249804431 is about 72455.5341640651. The cubic root of 5249804431 is about 1737.9917411259.

The spelling of 5249804431 in words is "five billion, two hundred forty-nine million, eight hundred four thousand, four hundred thirty-one".

Divisors: 1 29 181027739 5249804431