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164312192 = 271121032
BaseRepresentation
bin10011100101100…
…11010010000000
3102110011220221202
421302303102000
5314030442232
624145440332
74033426202
oct1162632200
9373156852
10164312192
1184828200
12470400a8
1328070465
1417b72772
15e65a162
hex9cb3480

164312192 has 72 divisors (see below), whose sum is σ = 363331395. Its totient is φ = 73962240.

The previous prime is 164312189. The next prime is 164312201. The reversal of 164312192 is 291213461.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 82156096 + 82156096 = 9064^2 + 9064^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=9064.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1595213 + ... + 1595315.

Almost surely, 2164312192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164312192

164312192 is an abundant number, since it is smaller than the sum of its proper divisors (199019203).

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

164312192 is an equidigital number, since it uses as much as digits as its factorization.

164312192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 116 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 164312192 is about 12818.4317293497. The cubic root of 164312192 is about 547.7174738451.

Multiplying 164312192 by its product of digits (2592), we get a square (425897201664 = 6526082).

The spelling of 164312192 in words is "one hundred sixty-four million, three hundred twelve thousand, one hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 103 121 128 176 206 242 352 412 484 704 824 968 1133 1408 1648 1936 2266 3296 3872 4532 6592 7744 9064 10609 12463 13184 15488 18128 21218 24926 36256 42436 49852 72512 84872 99704 116699 145024 169744 199408 233398 339488 398816 466796 678976 797632 933592 1283689 1357952 1595264 1867184 2567378 3734368 5134756 7468736 10269512 14937472 20539024 41078048 82156096 164312192