[go: up one dir, main page]

Search a number
-
+
5420531 is a prime number
BaseRepresentation
bin10100101011010111110011
3101012101120102
4110223113303
52341424111
6312103015
764034204
oct24532763
911171512
105420531
113072586
121994a6b
13117a31c
14a115ab
1572113b
hex52b5f3

5420531 has 2 divisors, whose sum is σ = 5420532. Its totient is φ = 5420530.

The previous prime is 5420509. The next prime is 5420539. The reversal of 5420531 is 1350245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5420531 - 210 = 5419507 is a prime.

It is a super-4 number, since 4×54205314 (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5420539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710265 + 2710266.

It is an arithmetic number, because the mean of its divisors is an integer number (2710266).

Almost surely, 25420531 is an apocalyptic number.

5420531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420531 is an equidigital number, since it uses as much as digits as its factorization.

5420531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5420531 is about 2328.2033845865. The cubic root of 5420531 is about 175.6631275739.

Adding to 5420531 its reverse (1350245), we get a palindrome (6770776).

The spelling of 5420531 in words is "five million, four hundred twenty thousand, five hundred thirty-one".