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1420144024 = 231313655231
BaseRepresentation
bin101010010100101…
…1010110110011000
310122222020210100211
41110221122312120
510402024102044
6352530340504
750123011405
oct12451326630
93588223324
101420144024
116696a8252
1233772a734
131982b2610
14d68772ac
1584a23634
hex54a5ad98

1420144024 has 16 divisors (see below), whose sum is σ = 2867598720. Its totient is φ = 655451040.

The previous prime is 1420144009. The next prime is 1420144031. The reversal of 1420144024 is 4204410241.

It is a junction number, because it is equal to n+sod(n) for n = 1420143986 and 1420144004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6827512 + ... + 6827719.

It is an arithmetic number, because the mean of its divisors is an integer number (179224920).

Almost surely, 21420144024 is an apocalyptic number.

It is an amenable number.

1420144024 is an abundant number, since it is smaller than the sum of its proper divisors (1447454696).

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

1420144024 is a wasteful number, since it uses less digits than its factorization.

1420144024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13655250 (or 13655246 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1420144024 is about 37684.7983144397. The cubic root of 1420144024 is about 1124.0288637193.

Adding to 1420144024 its reverse (4204410241), we get a palindrome (5624554265).

The spelling of 1420144024 in words is "one billion, four hundred twenty million, one hundred forty-four thousand, twenty-four".

Divisors: 1 2 4 8 13 26 52 104 13655231 27310462 54620924 109241848 177518003 355036006 710072012 1420144024