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49465 = 513761
BaseRepresentation
bin1100000100111001
32111212001
430010321
53040330
61021001
7264133
oct140471
974761
1049465
1134189
1224761
1319690
1414053
15e9ca
hexc139

49465 has 8 divisors (see below), whose sum is σ = 64008. Its totient is φ = 36480.

The previous prime is 49463. The next prime is 49477. The reversal of 49465 is 56494.

It can be written as a sum of positive squares in 4 ways, for example, as 2809 + 46656 = 53^2 + 216^2 .

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

It is not a de Polignac number, because 49465 - 21 = 49463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316 + ... + 445.

It is an arithmetic number, because the mean of its divisors is an integer number (8001).

249465 is an apocalyptic number.

It is an amenable number.

49465 is a deficient number, since it is larger than the sum of its proper divisors (14543).

49465 is a wasteful number, since it uses less digits than its factorization.

49465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its digits is 4320, while the sum is 28.

The square root of 49465 is about 222.4072840534. The cubic root of 49465 is about 36.7084464073.

The spelling of 49465 in words is "forty-nine thousand, four hundred sixty-five".

Divisors: 1 5 13 65 761 3805 9893 49465