Search a number
-
+
1400404211 is a prime number
BaseRepresentation
bin101001101111000…
…0111100011110011
310121121002220102122
41103132013203303
510332000413321
6350543304455
746463145053
oct12336074363
93547086378
101400404211
11659545458
12330bab12b
1319419075b
14d3db9563
1582e248ab
hex537878f3

1400404211 has 2 divisors, whose sum is σ = 1400404212. Its totient is φ = 1400404210.

The previous prime is 1400404163. The next prime is 1400404219. The reversal of 1400404211 is 1124040041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400404211 - 214 = 1400387827 is a prime.

It is a super-2 number, since 2×14004042112 = 3922263908373065042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400404211.

It is not a weakly prime, because it can be changed into another prime (1400404219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700202105 + 700202106.

It is an arithmetic number, because the mean of its divisors is an integer number (700202106).

Almost surely, 21400404211 is an apocalyptic number.

1400404211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400404211 is an equidigital number, since it uses as much as digits as its factorization.

1400404211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1400404211 is about 37421.9749746055. The cubic root of 1400404211 is about 1118.7965951443.

Adding to 1400404211 its reverse (1124040041), we get a palindrome (2524444252).

The spelling of 1400404211 in words is "one billion, four hundred million, four hundred four thousand, two hundred eleven".