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BaseRepresentation
bin101010000000111101
322202001211
4222000331
521001333
63404421
71314505
oct520075
9282054
10172093
11108329
1283711
136043c
1446a05
1535ecd
hex2a03d

172093 has 2 divisors, whose sum is σ = 172094. Its totient is φ = 172092.

The previous prime is 172079. The next prime is 172097. The reversal of 172093 is 390271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 13689 = 398^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 172093 - 213 = 163901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86046 + 86047.

It is an arithmetic number, because the mean of its divisors is an integer number (86047).

2172093 is an apocalyptic number.

It is an amenable number.

172093 is a deficient number, since it is larger than the sum of its proper divisors (1).

172093 is an equidigital number, since it uses as much as digits as its factorization.

172093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 172093 is about 414.8409333709. The cubic root of 172093 is about 55.6229991285.

The spelling of 172093 in words is "one hundred seventy-two thousand, ninety-three".