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1420262213 = 2361750531
BaseRepresentation
bin101010010100111…
…0111101101000101
310122222110210111012
41110221313231011
510402041342323
6352533052005
750124013106
oct12451675505
93588423435
101420262213
11669779027
12337787005
13198324356
14d68a83ad
1584a48678
hex54a77b45

1420262213 has 4 divisors (see below), whose sum is σ = 1482012768. Its totient is φ = 1358511660.

The previous prime is 1420262197. The next prime is 1420262257. The reversal of 1420262213 is 3122620241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1420262213 - 24 = 1420262197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 61750531 = 1420262213 / (1 + 4 + 2 + 0 + 2 + 6 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420262273) 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, 30875243 + ... + 30875288.

It is an arithmetic number, because the mean of its divisors is an integer number (370503192).

Almost surely, 21420262213 is an apocalyptic number.

It is an amenable number.

1420262213 is a deficient number, since it is larger than the sum of its proper divisors (61750555).

1420262213 is an equidigital number, since it uses as much as digits as its factorization.

1420262213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61750554.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1420262213 is about 37686.3664074954. The cubic root of 1420262213 is about 1124.0600446324.

Adding to 1420262213 its reverse (3122620241), we get a palindrome (4542882454).

The spelling of 1420262213 in words is "one billion, four hundred twenty million, two hundred sixty-two thousand, two hundred thirteen".

Divisors: 1 23 61750531 1420262213