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49930 = 254993
BaseRepresentation
bin1100001100001010
32112111021
430030022
53044210
61023054
7265366
oct141412
975437
1049930
1134571
1224a8a
131995a
14142a6
15ebda
hexc30a

49930 has 8 divisors (see below), whose sum is σ = 89892. Its totient is φ = 19968.

The previous prime is 49927. The next prime is 49937. The reversal of 49930 is 3994.

49930 = T156 + T157 + ... + T159.

It can be written as a sum of positive squares in 2 ways, for example, as 48841 + 1089 = 221^2 + 33^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 49895 and 49904.

It is not an unprimeable number, because it can be changed into a prime (49937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487 + ... + 2506.

249930 is an apocalyptic number.

49930 is a deficient number, since it is larger than the sum of its proper divisors (39962).

49930 is a wasteful number, since it uses less digits than its factorization.

49930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 49930 is about 223.4502181695. The cubic root of 49930 is about 36.8231148102.

It can be divided in two parts, 499 and 30, that added together give a square (529 = 232).

The spelling of 49930 in words is "forty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 4993 9986 24965 49930