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172033 = 712423
BaseRepresentation
bin101010000000000001
322201222121
4222000001
521001113
63404241
71314361
oct520001
9281877
10172033
11108284
1283681
13603c4
14469a1
1535e8d
hex2a001

172033 has 4 divisors (see below), whose sum is σ = 174528. Its totient is φ = 169540.

The previous prime is 172031. The next prime is 172049. The reversal of 172033 is 330271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172033 - 21 = 172031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171998 and 172016.

It is not an unprimeable number, because it can be changed into a prime (172031) 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, 1141 + ... + 1282.

It is an arithmetic number, because the mean of its divisors is an integer number (43632).

It is a Proth number, since it is equal to 21 ⋅ 213 + 1 and 21 < 213.

2172033 is an apocalyptic number.

It is an amenable number.

172033 is a deficient number, since it is larger than the sum of its proper divisors (2495).

172033 is an equidigital number, since it uses as much as digits as its factorization.

172033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 172033 is about 414.7686101913. The cubic root of 172033 is about 55.6165340817.

The spelling of 172033 in words is "one hundred seventy-two thousand, thirty-three".

Divisors: 1 71 2423 172033