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49287799 = 1131144539
BaseRepresentation
bin1011110000000…
…1001001110111
310102202002011001
42330001021313
5100104202144
64520224131
71135640131
oct274011167
9112662131
1049287799
1125904720
121460b047
13a2991a2
146790051
1544d8bd4
hex2f01277

49287799 has 8 divisors (see below), whose sum is σ = 55503360. Its totient is φ = 43361400.

The previous prime is 49287779. The next prime is 49287803. The reversal of 49287799 is 99778294.

49287799 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 cyclic number.

It is not a de Polignac number, because 49287799 - 27 = 49287671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49287769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71929 + ... + 72610.

It is an arithmetic number, because the mean of its divisors is an integer number (6937920).

Almost surely, 249287799 is an apocalyptic number.

49287799 is a deficient number, since it is larger than the sum of its proper divisors (6215561).

49287799 is a wasteful number, since it uses less digits than its factorization.

49287799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144581.

The product of its digits is 2286144, while the sum is 55.

The square root of 49287799 is about 7020.5269745226. The cubic root of 49287799 is about 366.6455977793.

It can be divided in two parts, 49287 and 799, that added together give a triangular number (50086 = T316).

The spelling of 49287799 in words is "forty-nine million, two hundred eighty-seven thousand, seven hundred ninety-nine".

Divisors: 1 11 31 341 144539 1589929 4480709 49287799