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49349890 = 255393113
BaseRepresentation
bin1011110001000…
…0010100000010
310102212020022201
42330100110002
5100113144030
64521423414
71136316142
oct274202402
9112766281
1049349890
1125947337
121463ab6a
13a2bb525
1467a8922
1544ec2ca
hex2f10502

49349890 has 16 divisors (see below), whose sum is σ = 90506808. Its totient is φ = 19367296.

The previous prime is 49349887. The next prime is 49349903. The reversal of 49349890 is 9894394.

It can be written as a sum of positive squares in 4 ways, for example, as 42237001 + 7112889 = 6499^2 + 2667^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49349890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46027 + ... + 47086.

Almost surely, 249349890 is an apocalyptic number.

49349890 is a deficient number, since it is larger than the sum of its proper divisors (41156918).

49349890 is a wasteful number, since it uses less digits than its factorization.

49349890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93173.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 49349890 is about 7024.9476866380. The cubic root of 49349890 is about 366.7994954936.

The spelling of 49349890 in words is "forty-nine million, three hundred forty-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 53 106 265 530 93113 186226 465565 931130 4934989 9869978 24674945 49349890