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49863993 = 383200257
BaseRepresentation
bin1011111000110…
…1110100111001
310110211100112120
42332031310321
5100231121433
64540431453
71143560034
oct276156471
9113740476
1049863993
1126168613
1214848589
13a43b52a
1468a001b
15459e7b3
hex2f8dd39

49863993 has 8 divisors (see below), whose sum is σ = 67286688. Its totient is φ = 32841984.

The previous prime is 49863991. The next prime is 49864019. The reversal of 49863993 is 39936894.

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

It is not a de Polignac number, because 49863993 - 21 = 49863991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49863991) 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, 99880 + ... + 100377.

It is an arithmetic number, because the mean of its divisors is an integer number (8410836).

Almost surely, 249863993 is an apocalyptic number.

It is an amenable number.

49863993 is a deficient number, since it is larger than the sum of its proper divisors (17422695).

49863993 is a wasteful number, since it uses less digits than its factorization.

49863993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200343.

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

The square root of 49863993 is about 7061.4441157599. Note that the first 3 decimals coincide. The cubic root of 49863993 is about 368.0688104825.

The spelling of 49863993 in words is "forty-nine million, eight hundred sixty-three thousand, nine hundred ninety-three".

Divisors: 1 3 83 249 200257 600771 16621331 49863993