Search a number
-
+
1050422557 is a prime number
BaseRepresentation
bin111110100111000…
…010110100011101
32201012112222212011
4332213002310131
54122402010212
6252122111221
735013305302
oct7647026435
92635488764
101050422557
11499a33018
1225394b511
13139812a12
149d7150a9
15623414a7
hex3e9c2d1d

1050422557 has 2 divisors, whose sum is σ = 1050422558. Its totient is φ = 1050422556.

The previous prime is 1050422539. The next prime is 1050422567. The reversal of 1050422557 is 7552240501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874621476 + 175801081 = 29574^2 + 13259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1050422557 is a prime.

It is a super-2 number, since 2×10504225572 = 2206775096508836498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050422567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525211278 + 525211279.

It is an arithmetic number, because the mean of its divisors is an integer number (525211279).

Almost surely, 21050422557 is an apocalyptic number.

It is an amenable number.

1050422557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050422557 is an equidigital number, since it uses as much as digits as its factorization.

1050422557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 1050422557 is about 32410.2230322471. The cubic root of 1050422557 is about 1016.5326830989.

The spelling of 1050422557 in words is "one billion, fifty million, four hundred twenty-two thousand, five hundred fifty-seven".