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50872361 = 130738923
BaseRepresentation
bin1100001000010…
…0000000101001
310112201120202112
43002010000221
5101010403421
65014212105
71155256631
oct302040051
9115646675
1050872361
1126797181
1215054035
13a7024b7
146a836c1
1546ed45b
hex3084029

50872361 has 4 divisors (see below), whose sum is σ = 50912592. Its totient is φ = 50832132.

The previous prime is 50872357. The next prime is 50872369. The reversal of 50872361 is 16327805.

It is a happy number.

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 50872361 - 22 = 50872357 is a prime.

It is a super-2 number, since 2×508723612 = 5175994227428642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50872369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18155 + ... + 20768.

It is an arithmetic number, because the mean of its divisors is an integer number (12728148).

Almost surely, 250872361 is an apocalyptic number.

It is an amenable number.

50872361 is a deficient number, since it is larger than the sum of its proper divisors (40231).

50872361 is a wasteful number, since it uses less digits than its factorization.

50872361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40230.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 50872361 is about 7132.4863126402. The cubic root of 50872361 is about 370.5333457518.

The spelling of 50872361 in words is "fifty million, eight hundred seventy-two thousand, three hundred sixty-one".

Divisors: 1 1307 38923 50872361