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213454168 = 23231160077
BaseRepresentation
bin11001011100100…
…00110101011000
3112212122121001221
430232100311120
5414121013133
633103021424
75201221234
oct1456206530
9485577057
10213454168
11aa542304
125b59a874
13352b8155
14204c55c4
1513b15a2d
hexcb90d58

213454168 has 16 divisors (see below), whose sum is σ = 417628080. Its totient is φ = 102086688.

The previous prime is 213454139. The next prime is 213454183. The reversal of 213454168 is 861454312.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 579855 + ... + 580222.

It is an arithmetic number, because the mean of its divisors is an integer number (26101755).

Almost surely, 2213454168 is an apocalyptic number.

It is an amenable number.

213454168 is a deficient number, since it is larger than the sum of its proper divisors (204173912).

213454168 is a wasteful number, since it uses less digits than its factorization.

213454168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160106 (or 1160102 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 213454168 is about 14610.0707732714. The cubic root of 213454168 is about 597.6334259663.

The spelling of 213454168 in words is "two hundred thirteen million, four hundred fifty-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 23 46 92 184 1160077 2320154 4640308 9280616 26681771 53363542 106727084 213454168