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1420046436 = 223127931789
BaseRepresentation
bin101010010100100…
…0011000001100100
310122222001211111110
41110221003001210
510402012441221
6352524305020
750122124034
oct12451030144
93588054443
101420046436
116696409a6
123376a2170
1319827a083
14d684d8c4
1584a04776
hex54a43064

1420046436 has 24 divisors (see below), whose sum is σ = 3339535360. Its totient is φ = 469621152.

The previous prime is 1420046417. The next prime is 1420046447. The reversal of 1420046436 is 6346400241.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 464371 + ... + 467418.

Almost surely, 21420046436 is an apocalyptic number.

It is an amenable number.

1420046436 is an abundant number, since it is smaller than the sum of its proper divisors (1919488924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420046436 is a wasteful number, since it uses less digits than its factorization.

1420046436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931923 (or 931921 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1420046436 is about 37683.5034995421. The cubic root of 1420046436 is about 1124.0031165088.

Adding to 1420046436 its reverse (6346400241), we get a palindrome (7766446677).

The spelling of 1420046436 in words is "one billion, four hundred twenty million, forty-six thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 931789 1863578 2795367 3727156 5590734 11181468 118337203 236674406 355011609 473348812 710023218 1420046436