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173312 = 28677
BaseRepresentation
bin101010010100000000
322210201222
4222110000
521021222
63414212
71321166
oct522400
9283658
10173312
11109237
1284368
1360b69
1447236
1536542
hex2a500

173312 has 18 divisors (see below), whose sum is σ = 346458. Its totient is φ = 86528.

The previous prime is 173309. The next prime is 173347. The reversal of 173312 is 213371.

173312 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 173056 + 256 = 416^2 + 16^2 .

It is an Ulam number.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 173312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83 + ... + 594.

2173312 is an apocalyptic number.

It is an amenable number.

173312 is a deficient number, since it is larger than the sum of its proper divisors (173146).

173312 is an frugal number, since it uses more digits than its factorization.

173312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 679 counting only the distinct ones).

The product of its digits is 126, while the sum is 17.

The square root of 173312 is about 416.3075786002. The cubic root of 173312 is about 55.7540231836.

Adding to 173312 its reverse (213371), we get a palindrome (386683).

The spelling of 173312 in words is "one hundred seventy-three thousand, three hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 8 16 32 64 128 256 677 1354 2708 5416 10832 21664 43328 86656 173312