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1043215457 is a prime number
BaseRepresentation
bin111110001011100…
…011010001100001
32200200222211120112
4332023203101201
54114030343312
6251303421105
734565120324
oct7613432141
92620884515
101043215457
11495960239
12251454795
1313818b46b
149c79a7bb
15618bad22
hex3e2e3461

1043215457 has 2 divisors, whose sum is σ = 1043215458. Its totient is φ = 1043215456.

The previous prime is 1043215447. The next prime is 1043215507. The reversal of 1043215457 is 7545123401.

1043215457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567582976 + 475632481 = 23824^2 + 21809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043215457 - 210 = 1043214433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043215427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521607728 + 521607729.

It is an arithmetic number, because the mean of its divisors is an integer number (521607729).

Almost surely, 21043215457 is an apocalyptic number.

It is an amenable number.

1043215457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043215457 is an equidigital number, since it uses as much as digits as its factorization.

1043215457 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 32.

The square root of 1043215457 is about 32298.8460629788. The cubic root of 1043215457 is about 1014.2024867720.

Adding to 1043215457 its reverse (7545123401), we get a palindrome (8588338858).

The spelling of 1043215457 in words is "one billion, forty-three million, two hundred fifteen thousand, four hundred fifty-seven".