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299128 = 23139269
BaseRepresentation
bin1001001000001111000
3120012022211
41021001320
534033003
610224504
72354044
oct1110170
9505284
10299128
11194815
12125134
13a61cb
147b024
155d96d
hex49078

299128 has 16 divisors (see below), whose sum is σ = 567000. Its totient is φ = 147936.

The previous prime is 299113. The next prime is 299137. The reversal of 299128 is 821992.

It is a self number, because there is not a number n which added to its sum of digits gives 299128.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 978 + ... + 1246.

2299128 is an apocalyptic number.

It is an amenable number.

299128 is a deficient number, since it is larger than the sum of its proper divisors (267872).

299128 is a wasteful number, since it uses less digits than its factorization.

299128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 410 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 299128 is about 546.9259547690. The cubic root of 299128 is about 66.8783714491.

The spelling of 299128 in words is "two hundred ninety-nine thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 139 269 278 538 556 1076 1112 2152 37391 74782 149564 299128