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415830157 is a prime number
BaseRepresentation
bin11000110010010…
…001000010001101
31001222110100201221
4120302101002031
51322423031112
6105132403341
713206332551
oct3062210215
91058410657
10415830157
111a37a8396
12b7316551
13681c4a62
143d325861
152678de07
hex18c9108d

415830157 has 2 divisors, whose sum is σ = 415830158. Its totient is φ = 415830156.

The previous prime is 415830091. The next prime is 415830193. The reversal of 415830157 is 751038514.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220641316 + 195188841 = 14854^2 + 13971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-415830157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415839157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207915078 + 207915079.

It is an arithmetic number, because the mean of its divisors is an integer number (207915079).

Almost surely, 2415830157 is an apocalyptic number.

It is an amenable number.

415830157 is a deficient number, since it is larger than the sum of its proper divisors (1).

415830157 is an equidigital number, since it uses as much as digits as its factorization.

415830157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 415830157 is about 20391.9140102149. The cubic root of 415830157 is about 746.4006244426.

The spelling of 415830157 in words is "four hundred fifteen million, eight hundred thirty thousand, one hundred fifty-seven".