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448921 = 11371103
BaseRepresentation
bin1101101100110011001
3211210210201
41231212121
5103331141
613342201
73546544
oct1554631
9753721
10448921
11287310
12197961
13129445
14b985b
158d031
hex6d999

448921 has 8 divisors (see below), whose sum is σ = 503424. Its totient is φ = 396720.

The previous prime is 448907. The next prime is 448927. The reversal of 448921 is 129844.

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

It is a cyclic number.

It is not a de Polignac number, because 448921 - 27 = 448793 is a prime.

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 448921.

It is not an unprimeable number, because it can be changed into a prime (448927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (62928).

It is a Poulet number, since it divides 2448920-1.

2448921 is an apocalyptic number.

It is an amenable number.

448921 is a deficient number, since it is larger than the sum of its proper divisors (54503).

448921 is a wasteful number, since it uses less digits than its factorization.

448921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its digits is 2304, while the sum is 28.

The square root of 448921 is about 670.0156714585. The cubic root of 448921 is about 76.5696462301.

It can be divided in two parts, 448 and 921, that added together give a square (1369 = 372).

The spelling of 448921 in words is "four hundred forty-eight thousand, nine hundred twenty-one".

Divisors: 1 11 37 407 1103 12133 40811 448921