Search a number
-
+
1420343433 = 32327148247
BaseRepresentation
bin101010010101000…
…1011100010001001
310122222121220220100
41110222023202021
510402101442213
6352534520013
750124501645
oct12452134211
93588556810
101420343433
11669824053
12337806009
13198352302
14d68c9c25
1584a62773
hex54a8b889

1420343433 has 12 divisors (see below), whose sum is σ = 2052276928. Its totient is φ = 946586520.

The previous prime is 1420343429. The next prime is 1420343437. The reversal of 1420343433 is 3343430241.

It is an interprime number because it is at equal distance from previous prime (1420343429) and next prime (1420343437).

It is not a de Polignac number, because 1420343433 - 22 = 1420343429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420343397 and 1420343406.

It is not an unprimeable number, because it can be changed into a prime (1420343437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5316 + ... + 53562.

Almost surely, 21420343433 is an apocalyptic number.

It is an amenable number.

1420343433 is a deficient number, since it is larger than the sum of its proper divisors (631933495).

1420343433 is a wasteful number, since it uses less digits than its factorization.

1420343433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51524 (or 51521 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 1420343433 is about 37687.4439701076. The cubic root of 1420343433 is about 1124.0814712900.

Adding to 1420343433 its reverse (3343430241), we get a palindrome (4763773674).

The spelling of 1420343433 in words is "one billion, four hundred twenty million, three hundred forty-three thousand, four hundred thirty-three".

Divisors: 1 3 9 3271 9813 29439 48247 144741 434223 157815937 473447811 1420343433