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49971742 = 2173144427
BaseRepresentation
bin1011111010100…
…0001000011110
310111000211100021
42332220020132
5100243043432
64543022354
71144516132
oct276501036
9114024307
1049971742
1126231567
121489a9ba
13a4785a2
1468cb3c2
1545c1697
hex2fa821e

49971742 has 8 divisors (see below), whose sum is σ = 75391416. Its totient is φ = 24841272.

The previous prime is 49971731. The next prime is 49971773. The reversal of 49971742 is 24717994.

49971742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71868 + ... + 72559.

It is an arithmetic number, because the mean of its divisors is an integer number (9423927).

Almost surely, 249971742 is an apocalyptic number.

49971742 is a deficient number, since it is larger than the sum of its proper divisors (25419674).

49971742 is a wasteful number, since it uses less digits than its factorization.

49971742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144602.

The product of its digits is 127008, while the sum is 43.

The square root of 49971742 is about 7069.0693871259. The cubic root of 49971742 is about 368.3337345441. Note that the first 3 decimals are identical.

The spelling of 49971742 in words is "forty-nine million, nine hundred seventy-one thousand, seven hundred forty-two".

Divisors: 1 2 173 346 144427 288854 24985871 49971742