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5247760381 = 23712213311
BaseRepresentation
bin1001110001100101…
…00111011111111101
3111112201120211220121
410320302213133331
541221411313011
62224421414541
7244021140643
oct47062473775
914481524817
105247760381
112253251056
12102556a451
13658298a76
1437ad57193
1520aa96e71
hex138ca77fd

5247760381 has 4 divisors (see below), whose sum is σ = 5249976064. Its totient is φ = 5245544700.

The previous prime is 5247760367. The next prime is 5247760393. The reversal of 5247760381 is 1830677425.

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 not a de Polignac number, because 5247760381 - 231 = 3100276733 is a prime.

It is a super-2 number, since 2×52477603812 = 55077978032786530322, 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 (5247760351) 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, 1104285 + ... + 1109026.

It is an arithmetic number, because the mean of its divisors is an integer number (1312494016).

Almost surely, 25247760381 is an apocalyptic number.

It is an amenable number.

5247760381 is a deficient number, since it is larger than the sum of its proper divisors (2215683).

5247760381 is a wasteful number, since it uses less digits than its factorization.

5247760381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215682.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 5247760381 is about 72441.4272429802. The cubic root of 5247760381 is about 1737.7661452182.

The spelling of 5247760381 in words is "five billion, two hundred forty-seven million, seven hundred sixty thousand, three hundred eighty-one".

Divisors: 1 2371 2213311 5247760381