Search a number
-
+
49689933 = 316563311
BaseRepresentation
bin1011110110001…
…1010101001101
310110111111202220
42331203111031
5100210034213
64533005553
71142233416
oct275432515
9113444686
1049689933
1126059867
12147838b9
13a3aa237
14685680d
154567e23
hex2f6354d

49689933 has 4 divisors (see below), whose sum is σ = 66253248. Its totient is φ = 33126620.

The previous prime is 49689917. The next prime is 49689961. The reversal of 49689933 is 33998694.

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 49689933 - 24 = 49689917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49689533) 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, 8281653 + ... + 8281658.

It is an arithmetic number, because the mean of its divisors is an integer number (16563312).

Almost surely, 249689933 is an apocalyptic number.

It is an amenable number.

49689933 is a deficient number, since it is larger than the sum of its proper divisors (16563315).

49689933 is a wasteful number, since it uses less digits than its factorization.

49689933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16563314.

The product of its digits is 1259712, while the sum is 51.

The square root of 49689933 is about 7049.1086670586. The cubic root of 49689933 is about 367.6400391841.

The spelling of 49689933 in words is "forty-nine million, six hundred eighty-nine thousand, nine hundred thirty-three".

Divisors: 1 3 16563311 49689933