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1050710221 = 1195519111
BaseRepresentation
bin111110101000001…
…001000011001101
32201020002121110101
4332220021003031
54122440211341
6252132211101
735015614051
oct7650110315
92636077411
101050710221
1149a10a160
12253a69a91
131398b3932
149d78bc61
156239b831
hex3ea090cd

1050710221 has 4 divisors (see below), whose sum is σ = 1146229344. Its totient is φ = 955191100.

The previous prime is 1050710207. The next prime is 1050710251. The reversal of 1050710221 is 1220170501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1050710221 - 25 = 1050710189 is a prime.

It is a super-2 number, since 2×10507102212 = 2207983937027737682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050710251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47759545 + ... + 47759566.

It is an arithmetic number, because the mean of its divisors is an integer number (286557336).

Almost surely, 21050710221 is an apocalyptic number.

1050710221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1050710221 is a deficient number, since it is larger than the sum of its proper divisors (95519123).

1050710221 is an equidigital number, since it uses as much as digits as its factorization.

1050710221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95519122.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1050710221 is about 32414.6605874564. The cubic root of 1050710221 is about 1016.6254689866.

Adding to 1050710221 its reverse (1220170501), we get a palindrome (2270880722).

The spelling of 1050710221 in words is "one billion, fifty million, seven hundred ten thousand, two hundred twenty-one".

Divisors: 1 11 95519111 1050710221