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167140212 = 22313928351
BaseRepresentation
bin10011111011001…
…01101101110100
3102122111121021020
421331211231310
5320241441322
624330221140
74066445151
oct1175455564
9378447236
10167140212
1186389a08
1247b847b0
1328820745
14182ab228
15ea1805c
hex9f65b74

167140212 has 12 divisors (see below), whose sum is σ = 389993856. Its totient is φ = 55713400.

The previous prime is 167140201. The next prime is 167140213. The reversal of 167140212 is 212041761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167140213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6964164 + ... + 6964187.

It is an arithmetic number, because the mean of its divisors is an integer number (32499488).

Almost surely, 2167140212 is an apocalyptic number.

167140212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

167140212 is an abundant number, since it is smaller than the sum of its proper divisors (222853644).

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

167140212 is a wasteful number, since it uses less digits than its factorization.

167140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13928358 (or 13928356 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 167140212 is about 12928.2718102614. The cubic root of 167140212 is about 550.8419193792.

Adding to 167140212 its reverse (212041761), we get a palindrome (379181973).

The spelling of 167140212 in words is "one hundred sixty-seven million, one hundred forty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13928351 27856702 41785053 55713404 83570106 167140212