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448490 = 25743149
BaseRepresentation
bin1101101011111101010
3211210012202
41231133222
5103322430
613340202
73545360
oct1553752
9753182
10448490
11286a59
12197662
131291a3
14b9630
158cd45
hex6d7ea

448490 has 32 divisors (see below), whose sum is σ = 950400. Its totient is φ = 149184.

The previous prime is 448451. The next prime is 448519. The reversal of 448490 is 94844.

448490 = T237 + T238 + ... + T251.

It is a happy number.

It is a super-2 number, since 2×4484902 = 402286560200, which contains 22 as substring.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2936 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2448490 is an apocalyptic number.

448490 is an abundant number, since it is smaller than the sum of its proper divisors (501910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448490 is a wasteful number, since it uses less digits than its factorization.

448490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 448490 is about 669.6939599548. The cubic root of 448490 is about 76.5451340594.

The spelling of 448490 in words is "four hundred forty-eight thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 43 70 86 149 215 298 301 430 602 745 1043 1490 1505 2086 3010 5215 6407 10430 12814 32035 44849 64070 89698 224245 448490