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298129 = 13171971
BaseRepresentation
bin1001000110010010001
3120010221211
41020302101
534020004
610220121
72351116
oct1106221
9503854
10298129
11193a97
12124641
13a5910
147a90d
155d504
hex48c91

298129 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 241920.

The previous prime is 298099. The next prime is 298153. The reversal of 298129 is 921892.

It is a cyclic number.

It is not a de Polignac number, because 298129 - 29 = 297617 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 298129.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298129.

It is not an unprimeable number, because it can be changed into a prime (298159) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4164 + ... + 4234.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2298129 is an apocalyptic number.

It is an amenable number.

298129 is a deficient number, since it is larger than the sum of its proper divisors (64751).

298129 is a wasteful number, since it uses less digits than its factorization.

298129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120.

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

The square root of 298129 is about 546.0119046321. The cubic root of 298129 is about 66.8038370153.

The spelling of 298129 in words is "two hundred ninety-eight thousand, one hundred twenty-nine".

Divisors: 1 13 17 19 71 221 247 323 923 1207 1349 4199 15691 17537 22933 298129