Search a number
-
+
1400941 is a prime number
BaseRepresentation
bin101010110000001101101
32122011201201
411112001231
5324312231
650005501
714623243
oct5260155
92564651
101400941
11877603
12576891
133a0879
14286793
151ca161
hex15606d

1400941 has 2 divisors, whose sum is σ = 1400942. Its totient is φ = 1400940.

The previous prime is 1400939. The next prime is 1400947. The reversal of 1400941 is 1490041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 32041 = 1170^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400941 - 21 = 1400939 is a prime.

Together with 1400939, it forms a pair of twin primes.

1400941 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700470 + 700471.

It is an arithmetic number, because the mean of its divisors is an integer number (700471).

21400941 is an apocalyptic number.

It is an amenable number.

1400941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400941 is an equidigital number, since it uses as much as digits as its factorization.

1400941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1400941 is about 1183.6135349006. The cubic root of 1400941 is about 111.8939525541.

Adding to 1400941 its reverse (1490041), we get a palindrome (2890982).

The spelling of 1400941 in words is "one million, four hundred thousand, nine hundred forty-one".