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173412 = 22324817
BaseRepresentation
bin101010010101100100
322210212200
4222111210
521022122
63414500
71321401
oct522544
9283780
10173412
11109318
1284430
1360c15
14472a8
15365ac
hex2a564

173412 has 18 divisors (see below), whose sum is σ = 438438. Its totient is φ = 57792.

The previous prime is 173359. The next prime is 173429. The reversal of 173412 is 214371.

It can be written as a sum of positive squares in only one way, i.e., 112896 + 60516 = 336^2 + 246^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is an unprimeable number.

173412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2373 + ... + 2444.

2173412 is an apocalyptic number.

173412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

173412 is an abundant number, since it is smaller than the sum of its proper divisors (265026).

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

173412 is a wasteful number, since it uses less digits than its factorization.

173412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827 (or 4822 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 173412 is about 416.4276647871. The cubic root of 173412 is about 55.7647443691.

Adding to 173412 its reverse (214371), we get a palindrome (387783).

It can be divided in two parts, 173 and 412, that added together give a palindrome (585).

The spelling of 173412 in words is "one hundred seventy-three thousand, four hundred twelve", and thus it is an iban number.

Divisors: 1 2 3 4 6 9 12 18 36 4817 9634 14451 19268 28902 43353 57804 86706 173412