Search a number
-
+
1421340006 = 231672236361
BaseRepresentation
bin101010010110111…
…1110110101100110
310200001111112221110
41110231332311212
510402330340011
6353012125450
750136122262
oct12455766546
93601445843
101421340006
1166a344869
12338006886
13198610ab8
14d6aa90a2
1584bacba6
hex54b7ed66

1421340006 has 32 divisors (see below), whose sum is σ = 2872977408. Its totient is φ = 468757440.

The previous prime is 1421340001. The next prime is 1421340007. The reversal of 1421340006 is 6000431241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421340001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220266 + ... + 226626.

It is an arithmetic number, because the mean of its divisors is an integer number (89780544).

Almost surely, 21421340006 is an apocalyptic number.

1421340006 is an abundant number, since it is smaller than the sum of its proper divisors (1451637402).

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

1421340006 is a wasteful number, since it uses less digits than its factorization.

1421340006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1421340006 is about 37700.6632037157. The cubic root of 1421340006 is about 1124.3443108541.

Adding to 1421340006 its reverse (6000431241), we get a palindrome (7421771247).

The spelling of 1421340006 in words is "one billion, four hundred twenty-one million, three hundred forty thousand, six".

Divisors: 1 2 3 6 167 223 334 446 501 669 1002 1338 6361 12722 19083 37241 38166 74482 111723 223446 1062287 1418503 2124574 2837006 3186861 4255509 6373722 8511018 236890001 473780002 710670003 1421340006