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297297 = 33711213
BaseRepresentation
bin1001000100101010001
3120002211000
41020211101
534003142
610212213
72345520
oct1104521
9502730
10297297
11193400
12124069
13a5420
147a4b7
155d14c
hex48951

297297 has 48 divisors (see below), whose sum is σ = 595840. Its totient is φ = 142560.

The previous prime is 297289. The next prime is 297317. The reversal of 297297 is 792792.

It is not a de Polignac number, because 297297 - 23 = 297289 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (297247) 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 47 ways as a sum of consecutive naturals, for example, 22863 + ... + 22875.

2297297 is an apocalyptic number.

297297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

297297 is the 273-rd decagonal number.

It is an amenable number.

297297 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

297297 is a wasteful number, since it uses less digits than its factorization.

297297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 34 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 297297 is about 545.2494841813. The cubic root of 297297 is about 66.7416351088.

The spelling of 297297 in words is "two hundred ninety-seven thousand, two hundred ninety-seven".

Divisors: 1 3 7 9 11 13 21 27 33 39 63 77 91 99 117 121 143 189 231 273 297 351 363 429 693 819 847 1001 1089 1287 1573 2079 2457 2541 3003 3267 3861 4719 7623 9009 11011 14157 22869 27027 33033 42471 99099 297297