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50476989 = 316825663
BaseRepresentation
bin1100000010001…
…1011110111101
310111222111102010
43000203132331
5100410230424
65001521433
71152022143
oct300433675
9114874363
1050476989
1126547122
1214aa3279
13a5c4554
1469bd593
154671229
hex30237bd

50476989 has 4 divisors (see below), whose sum is σ = 67302656. Its totient is φ = 33651324.

The previous prime is 50476967. The next prime is 50477003. The reversal of 50476989 is 98967405.

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 not a de Polignac number, because 50476989 - 216 = 50411453 is a prime.

It is a super-2 number, since 2×504769892 = 5095852837012242, 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 (50476889) 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, 8412829 + ... + 8412834.

It is an arithmetic number, because the mean of its divisors is an integer number (16825664).

Almost surely, 250476989 is an apocalyptic number.

It is an amenable number.

50476989 is a deficient number, since it is larger than the sum of its proper divisors (16825667).

50476989 is a wasteful number, since it uses less digits than its factorization.

50476989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16825666.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 50476989 is about 7104.7159689885. The cubic root of 50476989 is about 369.5709392150.

The spelling of 50476989 in words is "fifty million, four hundred seventy-six thousand, nine hundred eighty-nine".

Divisors: 1 3 16825663 50476989