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1410320221 = 1782960013
BaseRepresentation
bin101010000001111…
…1100011101011101
310122021202200122021
41110003330131131
510342020221341
6351540020141
746643344522
oct12403743535
93567680567
101410320221
116640a8502
12334391651
1319625300b
14d543b149
1583c329d1
hex540fc75d

1410320221 has 4 divisors (see below), whose sum is σ = 1493280252. Its totient is φ = 1327360192.

The previous prime is 1410320203. The next prime is 1410320227. The reversal of 1410320221 is 1220230141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 618516900 + 791803321 = 24870^2 + 28139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1410320221 is a prime.

It is a super-2 number, since 2×14103202212 = 3978006251522977682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1410320195 and 1410320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1410320227) 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 in 3 ways as a sum of consecutive naturals, for example, 41479990 + ... + 41480023.

It is an arithmetic number, because the mean of its divisors is an integer number (373320063).

Almost surely, 21410320221 is an apocalyptic number.

It is an amenable number.

1410320221 is a deficient number, since it is larger than the sum of its proper divisors (82960031).

1410320221 is an equidigital number, since it uses as much as digits as its factorization.

1410320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82960030.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1410320221 is about 37554.2304008483. The cubic root of 1410320221 is about 1121.4310525847.

Adding to 1410320221 its reverse (1220230141), we get a palindrome (2630550362).

The spelling of 1410320221 in words is "one billion, four hundred ten million, three hundred twenty thousand, two hundred twenty-one".

Divisors: 1 17 82960013 1410320221