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49130 = 25173
BaseRepresentation
bin1011111111101010
32111101122
423333222
53033010
61015242
7263144
oct137752
974348
1049130
1133a04
1224522
1319493
1413c94
15e855
hexbfea

49130 has 16 divisors (see below), whose sum is σ = 93960. Its totient is φ = 18496.

The previous prime is 49123. The next prime is 49139. The reversal of 49130 is 3194.

It can be written as a sum of positive squares in 4 ways, for example, as 41209 + 7921 = 203^2 + 89^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 49099 and 49108.

It is not an unprimeable number, because it can be changed into a prime (49139) 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, 2882 + ... + 2898.

249130 is an apocalyptic number.

49130 is a deficient number, since it is larger than the sum of its proper divisors (44830).

49130 is an equidigital number, since it uses as much as digits as its factorization.

49130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 49130 is about 221.6528817769. The cubic root of 49130 is about 36.6253897305.

The spelling of 49130 in words is "forty-nine thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 4913 9826 24565 49130