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164057244 = 223131051649
BaseRepresentation
bin10011100011101…
…01000010011100
3102102200222020020
421301311002130
5313444312434
624140152140
74031315001
oct1161650234
9372628206
10164057244
11846736aa
1246b38650
1327cb13c0
1417b078a8
15e609849
hex9c7509c

164057244 has 24 divisors (see below), whose sum is σ = 412246800. Its totient is φ = 50479104.

The previous prime is 164057237. The next prime is 164057251. The reversal of 164057244 is 442750461.

It is an interprime number because it is at equal distance from previous prime (164057237) and next prime (164057251).

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 7 ways as a sum of consecutive naturals, for example, 525669 + ... + 525980.

It is an arithmetic number, because the mean of its divisors is an integer number (17176950).

Almost surely, 2164057244 is an apocalyptic number.

It is an amenable number.

164057244 is an abundant number, since it is smaller than the sum of its proper divisors (248189556).

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

164057244 is a wasteful number, since it uses less digits than its factorization.

164057244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051669 (or 1051667 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 164057244 is about 12808.4832825749. The cubic root of 164057244 is about 547.4340463911.

The spelling of 164057244 in words is "one hundred sixty-four million, fifty-seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1051649 2103298 3154947 4206596 6309894 12619788 13671437 27342874 41014311 54685748 82028622 164057244