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152173 = 721739
BaseRepresentation
bin100101001001101101
321201202001
4211021231
514332143
63132301
71202440
oct451155
9251661
10152173
11a436a
1274091
1354358
143d657
153014d
hex2526d

152173 has 4 divisors (see below), whose sum is σ = 173920. Its totient is φ = 130428.

The previous prime is 152147. The next prime is 152183. The reversal of 152173 is 371251.

152173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 152173 - 213 = 143981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152123) 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, 10863 + ... + 10876.

It is an arithmetic number, because the mean of its divisors is an integer number (43480).

2152173 is an apocalyptic number.

It is an amenable number.

152173 is a deficient number, since it is larger than the sum of its proper divisors (21747).

152173 is an equidigital number, since it uses as much as digits as its factorization.

152173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21746.

The product of its digits is 210, while the sum is 19.

The square root of 152173 is about 390.0935785167. The cubic root of 152173 is about 53.3882723805.

It can be divided in two parts, 152 and 173, that added together give a triangular number (325 = T25).

The spelling of 152173 in words is "one hundred fifty-two thousand, one hundred seventy-three".

Divisors: 1 7 21739 152173