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1422535243 = 2815062403
BaseRepresentation
bin101010011001010…
…0010101001001011
310200010202021111111
41110302202221023
510403132111433
6353053511151
750152231033
oct12462425113
93603667444
101422535243
1166aa90868
123384a24b7
1319893bb3c
14d6cda8c3
1584d46dcd
hex54ca2a4b

1422535243 has 4 divisors (see below), whose sum is σ = 1427597928. Its totient is φ = 1417472560.

The previous prime is 1422535241. The next prime is 1422535249. The reversal of 1422535243 is 3425352241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1422535243 - 21 = 1422535241 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422535241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530921 + ... + 2531482.

It is an arithmetic number, because the mean of its divisors is an integer number (356899482).

Almost surely, 21422535243 is an apocalyptic number.

1422535243 is a deficient number, since it is larger than the sum of its proper divisors (5062685).

1422535243 is an equidigital number, since it uses as much as digits as its factorization.

1422535243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062684.

The product of its digits is 28800, while the sum is 31.

The square root of 1422535243 is about 37716.5115433546. The cubic root of 1422535243 is about 1124.6593847509.

Adding to 1422535243 its reverse (3425352241), we get a palindrome (4847887484).

The spelling of 1422535243 in words is "one billion, four hundred twenty-two million, five hundred thirty-five thousand, two hundred forty-three".

Divisors: 1 281 5062403 1422535243