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396120157 is a prime number
BaseRepresentation
bin10111100111000…
…101000001011101
31000121100222200221
4113213011001131
51302401321112
6103150121341
712546652156
oct2747050135
91017328627
10396120157
11193665a34
12b07b0251
13640b3634
143a87492d
1524b98e07
hex179c505d

396120157 has 2 divisors, whose sum is σ = 396120158. Its totient is φ = 396120156.

The previous prime is 396120149. The next prime is 396120169. The reversal of 396120157 is 751021693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304362916 + 91757241 = 17446^2 + 9579^2 .

It is a cyclic number.

It is not a de Polignac number, because 396120157 - 23 = 396120149 is a prime.

It is a super-2 number, since 2×3961201572 = 313822357563409298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396120107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198060078 + 198060079.

It is an arithmetic number, because the mean of its divisors is an integer number (198060079).

Almost surely, 2396120157 is an apocalyptic number.

It is an amenable number.

396120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

396120157 is an equidigital number, since it uses as much as digits as its factorization.

396120157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 396120157 is about 19902.7675713706. The cubic root of 396120157 is about 734.4163117053.

The spelling of 396120157 in words is "three hundred ninety-six million, one hundred twenty thousand, one hundred fifty-seven".