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50768489 = 184727487
BaseRepresentation
bin1100000110101…
…0101001101001
310112112022021102
43001222221221
5100444042424
65012051145
71154345042
oct301525151
9115468242
1050768489
1126726132
1215003ab5
13a697135
146a578c9
1546cc7ae
hex306aa69

50768489 has 4 divisors (see below), whose sum is σ = 50797824. Its totient is φ = 50739156.

The previous prime is 50768441. The next prime is 50768503. The reversal of 50768489 is 98486705.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98486705 = 519697341.

It is a cyclic number.

It is not a de Polignac number, because 50768489 - 28 = 50768233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50764489) 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, 11897 + ... + 15590.

It is an arithmetic number, because the mean of its divisors is an integer number (12699456).

Almost surely, 250768489 is an apocalyptic number.

It is an amenable number.

50768489 is a deficient number, since it is larger than the sum of its proper divisors (29335).

50768489 is a wasteful number, since it uses less digits than its factorization.

50768489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29334.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 50768489 is about 7125.2009796216. The cubic root of 50768489 is about 370.2809869473.

The spelling of 50768489 in words is "fifty million, seven hundred sixty-eight thousand, four hundred eighty-nine".

Divisors: 1 1847 27487 50768489