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49794819 = 317976369
BaseRepresentation
bin1011110111110…
…0111100000011
310110200211122120
42331330330003
5100221413234
64535135323
71143151254
oct275747403
9113624576
1049794819
1126120648
1214814543
13a415bb9
146882b2b
154589049
hex2f7cf03

49794819 has 8 divisors (see below), whose sum is σ = 70298640. Its totient is φ = 31243776.

The previous prime is 49794799. The next prime is 49794841. The reversal of 49794819 is 91849794.

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

It is not a de Polignac number, because 49794819 - 212 = 49790723 is a prime.

It is a super-2 number, since 2×497948192 = 4959047998485522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 976369 = 49794819 / (4 + 9 + 7 + 9 + 4 + 8 + 1 + 9).

It is not an unprimeable number, because it can be changed into a prime (49794319) 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, 488134 + ... + 488235.

It is an arithmetic number, because the mean of its divisors is an integer number (8787330).

Almost surely, 249794819 is an apocalyptic number.

49794819 is a deficient number, since it is larger than the sum of its proper divisors (20503821).

49794819 is a wasteful number, since it uses less digits than its factorization.

49794819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976389.

The product of its digits is 653184, while the sum is 51.

The square root of 49794819 is about 7056.5444092700. The cubic root of 49794819 is about 367.8985301328.

The spelling of 49794819 in words is "forty-nine million, seven hundred ninety-four thousand, eight hundred nineteen".

Divisors: 1 3 17 51 976369 2929107 16598273 49794819