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164233244 = 2275865473
BaseRepresentation
bin10011100101000…
…00000000011100
3102110000220122202
421302200000130
5314020430434
624144031032
74032650060
oct1162400034
9373026582
10164233244
118478395a
1247002478
1328043546
1417b51aa0
15e641a7e
hex9ca001c

164233244 has 12 divisors (see below), whose sum is σ = 328466544. Its totient is φ = 70385664.

The previous prime is 164233219. The next prime is 164233247. The reversal of 164233244 is 442332461.

164233244 is an admirable number.

It is a super-3 number, since 3×1642332443 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164233247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932709 + ... + 2932764.

It is an arithmetic number, because the mean of its divisors is an integer number (27372212).

Almost surely, 2164233244 is an apocalyptic number.

164233244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164233244 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.

164233244 is a wasteful number, since it uses less digits than its factorization.

164233244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865484 (or 5865482 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 164233244 is about 12815.3518874825. The cubic root of 164233244 is about 547.6297381637.

The spelling of 164233244 in words is "one hundred sixty-four million, two hundred thirty-three thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 5865473 11730946 23461892 41058311 82116622 164233244