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50149479 = 333150503
BaseRepresentation
bin1011111101001…
…1100001100111
310111100212011010
42333103201213
5100314240404
64550513303
71146156252
oct277234147
9114325133
1050149479
1126343056
1214965833
13a50b463
146936099
154609189
hex2fd3867

50149479 has 8 divisors (see below), whose sum is σ = 67069312. Its totient is φ = 33331320.

The previous prime is 50149471. The next prime is 50149511. The reversal of 50149479 is 97494105.

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

It is not a de Polignac number, because 50149479 - 23 = 50149471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50149471) 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, 24259 + ... + 26244.

It is an arithmetic number, because the mean of its divisors is an integer number (8383664).

Almost surely, 250149479 is an apocalyptic number.

50149479 is a deficient number, since it is larger than the sum of its proper divisors (16919833).

50149479 is a wasteful number, since it uses less digits than its factorization.

50149479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50837.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 50149479 is about 7081.6296853196. The cubic root of 50149479 is about 368.7699081850.

The spelling of 50149479 in words is "fifty million, one hundred forty-nine thousand, four hundred seventy-nine".

Divisors: 1 3 331 993 50503 151509 16716493 50149479