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174140893 is a prime number
BaseRepresentation
bin10100110000100…
…10110111011101
3110010200021101201
422120102313131
5324040002033
625140235501
74213113253
oct1230226735
9403607351
10174140893
118a3306a3
124a39bb91
132a102064
14191b05d3
151044c47d
hexa612ddd

174140893 has 2 divisors, whose sum is σ = 174140894. Its totient is φ = 174140892.

The previous prime is 174140891. The next prime is 174140933. The reversal of 174140893 is 398041471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173765124 + 375769 = 13182^2 + 613^2 .

It is an emirp because it is prime and its reverse (398041471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 174140893 - 21 = 174140891 is a prime.

It is a super-2 number, since 2×1741408932 = 60650101229674898, which contains 22 as substring.

Together with 174140891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (174140891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87070446 + 87070447.

It is an arithmetic number, because the mean of its divisors is an integer number (87070447).

Almost surely, 2174140893 is an apocalyptic number.

It is an amenable number.

174140893 is a deficient number, since it is larger than the sum of its proper divisors (1).

174140893 is an equidigital number, since it uses as much as digits as its factorization.

174140893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 174140893 is about 13196.2454129953. The cubic root of 174140893 is about 558.4276610412.

The spelling of 174140893 in words is "one hundred seventy-four million, one hundred forty thousand, eight hundred ninety-three".