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1043230157 is a prime number
BaseRepresentation
bin111110001011100…
…110110111001101
32200201000120201222
4332023212313031
54114031331112
6251304013125
734565211224
oct7613466715
92621016658
101043230157
11495970292
122514611a5
13138195068
149c7a1cbb
15618c0372
hex3e2e6dcd

1043230157 has 2 divisors, whose sum is σ = 1043230158. Its totient is φ = 1043230156.

The previous prime is 1043230141. The next prime is 1043230183. The reversal of 1043230157 is 7510323401.

It is an a-pointer prime, because the next prime (1043230183) can be obtained adding 1043230157 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987593476 + 55636681 = 31426^2 + 7459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043230157 - 24 = 1043230141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043230127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521615078 + 521615079.

It is an arithmetic number, because the mean of its divisors is an integer number (521615079).

Almost surely, 21043230157 is an apocalyptic number.

It is an amenable number.

1043230157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043230157 is an equidigital number, since it uses as much as digits as its factorization.

1043230157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1043230157 is about 32299.0736244865. The cubic root of 1043230157 is about 1014.2072504752.

Adding to 1043230157 its reverse (7510323401), we get a palindrome (8553553558).

The spelling of 1043230157 in words is "one billion, forty-three million, two hundred thirty thousand, one hundred fifty-seven".