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449957 = 3712161
BaseRepresentation
bin1101101110110100101
3211212020002
41231312211
5103344312
613351045
73552554
oct1556645
9755202
10449957
11288072
12198485
13129a61
14b9d9b
158d4c2
hex6dda5

449957 has 4 divisors (see below), whose sum is σ = 462156. Its totient is φ = 437760.

The previous prime is 449951. The next prime is 449959. The reversal of 449957 is 759944.

449957 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264196 + 185761 = 514^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 449957 - 24 = 449941 is a prime.

It is a super-2 number, since 2×4499572 = 404922603698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449951) 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, 6044 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (115539).

2449957 is an apocalyptic number.

It is an amenable number.

449957 is a deficient number, since it is larger than the sum of its proper divisors (12199).

449957 is a wasteful number, since it uses less digits than its factorization.

449957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12198.

The product of its digits is 45360, while the sum is 38.

The square root of 449957 is about 670.7883421766. The cubic root of 449957 is about 76.6285023242.

It can be divided in two parts, 44 and 9957, that added together give a palindrome (10001).

The spelling of 449957 in words is "four hundred forty-nine thousand, nine hundred fifty-seven".

Divisors: 1 37 12161 449957