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448949 = 29113137
BaseRepresentation
bin1101101100110110101
3211210211202
41231212311
5103331244
613342245
73546614
oct1554665
9753752
10448949
11287336
12197985
13129467
14b987b
158d04e
hex6d9b5

448949 has 8 divisors (see below), whose sum is σ = 471960. Its totient is φ = 426496.

The previous prime is 448939. The next prime is 448969. The reversal of 448949 is 949844.

It can be written as a sum of positive squares in 4 ways, for example, as 6724 + 442225 = 82^2 + 665^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-448949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448949.

It is not an unprimeable number, because it can be changed into a prime (448939) 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, 3209 + ... + 3345.

It is an arithmetic number, because the mean of its divisors is an integer number (58995).

2448949 is an apocalyptic number.

It is an amenable number.

448949 is a deficient number, since it is larger than the sum of its proper divisors (23011).

448949 is a wasteful number, since it uses less digits than its factorization.

448949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its digits is 41472, while the sum is 38.

The square root of 448949 is about 670.0365661664. The cubic root of 448949 is about 76.5712381253.

It can be divided in two parts, 4489 and 49, that multiplied together give a square (219961 = 4692).

The spelling of 448949 in words is "four hundred forty-eight thousand, nine hundred forty-nine".

Divisors: 1 29 113 137 3277 3973 15481 448949