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194046157 is a prime number
BaseRepresentation
bin10111001000011…
…10100011001101
3111112010120021201
423210032203031
5344133434112
631131025501
74544236144
oct1344164315
9445116251
10194046157
119a596828
1254b9b291
1331281316
141bab275b
1512080257
hexb90e8cd

194046157 has 2 divisors, whose sum is σ = 194046158. Its totient is φ = 194046156.

The previous prime is 194046079. The next prime is 194046169. The reversal of 194046157 is 751640491.

194046157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169156036 + 24890121 = 13006^2 + 4989^2 .

It is a cyclic number.

It is not a de Polignac number, because 194046157 - 27 = 194046029 is a prime.

It is a super-2 number, since 2×1940461572 = 75307822092937298, which contains 22 as substring.

It is a Chen prime.

It is equal to p10767475 and since 194046157 and 10767475 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194046187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97023078 + 97023079.

It is an arithmetic number, because the mean of its divisors is an integer number (97023079).

Almost surely, 2194046157 is an apocalyptic number.

It is an amenable number.

194046157 is a deficient number, since it is larger than the sum of its proper divisors (1).

194046157 is an equidigital number, since it uses as much as digits as its factorization.

194046157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 194046157 is about 13930.0451183763. The cubic root of 194046157 is about 578.9419443979.

The spelling of 194046157 in words is "one hundred ninety-four million, forty-six thousand, one hundred fifty-seven".