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474286157 is a prime number
BaseRepresentation
bin11100010001010…
…000100001001101
31020001110020021222
4130101100201031
51432404124112
6115021333125
714516236322
oct3421204115
91201406258
10474286157
112237a4234
12112a071a5
1377350cc7
1446dc0b49
152b989372
hex1c45084d

474286157 has 2 divisors, whose sum is σ = 474286158. Its totient is φ = 474286156.

The previous prime is 474286129. The next prime is 474286159. The reversal of 474286157 is 751682474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417344041 + 56942116 = 20429^2 + 7546^2 .

It is a cyclic number.

It is not a de Polignac number, because 474286157 - 218 = 474024013 is a prime.

Together with 474286159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474286159) 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, 237143078 + 237143079.

It is an arithmetic number, because the mean of its divisors is an integer number (237143079).

Almost surely, 2474286157 is an apocalyptic number.

It is an amenable number.

474286157 is a deficient number, since it is larger than the sum of its proper divisors (1).

474286157 is an equidigital number, since it uses as much as digits as its factorization.

474286157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 44.

The square root of 474286157 is about 21778.1118786730. Note that the first 3 decimals coincide. The cubic root of 474286157 is about 779.8543213582.

The spelling of 474286157 in words is "four hundred seventy-four million, two hundred eighty-six thousand, one hundred fifty-seven".