Search a number
-
+
1402169 is a prime number
BaseRepresentation
bin101010110010100111001
32122020102012
411112110321
5324332134
650015305
714626646
oct5262471
92566365
101402169
1187851a
12577535
133a12b2
14286dcd
151ca6ce
hex156539

1402169 has 2 divisors, whose sum is σ = 1402170. Its totient is φ = 1402168.

The previous prime is 1402157. The next prime is 1402201. The reversal of 1402169 is 9612041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 44944 = 1165^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402169 - 24 = 1402153 is a prime.

It is a super-2 number, since 2×14021692 = 3932155809122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1402129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701084 + 701085.

It is an arithmetic number, because the mean of its divisors is an integer number (701085).

21402169 is an apocalyptic number.

It is an amenable number.

1402169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402169 is an equidigital number, since it uses as much as digits as its factorization.

1402169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1402169 is about 1184.1321716768. The cubic root of 1402169 is about 111.9266366918.

The spelling of 1402169 in words is "one million, four hundred two thousand, one hundred sixty-nine".