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157273 is a prime number
BaseRepresentation
bin100110011001011001
321222201221
4212121121
520013043
63212041
71223344
oct463131
9258657
10157273
11a8186
1277021
135677c
144145b
15318ed
hex26659

157273 has 2 divisors, whose sum is σ = 157274. Its totient is φ = 157272.

The previous prime is 157271. The next prime is 157277. The reversal of 157273 is 372751.

157273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120409 + 36864 = 347^2 + 192^2 .

It is an emirp because it is prime and its reverse (372751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157273 - 21 = 157271 is a prime.

Together with 157271, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 55 + 23 + 75 + 76 + 39 .

It is a plaindrome in base 7 and base 13.

It is not a weakly prime, because it can be changed into another prime (157271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78636 + 78637.

It is an arithmetic number, because the mean of its divisors is an integer number (78637).

2157273 is an apocalyptic number.

It is an amenable number.

157273 is a deficient number, since it is larger than the sum of its proper divisors (1).

157273 is an equidigital number, since it uses as much as digits as its factorization.

157273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1470, while the sum is 25.

The square root of 157273 is about 396.5766004191. The cubic root of 157273 is about 53.9781576042.

The spelling of 157273 in words is "one hundred fifty-seven thousand, two hundred seventy-three".