Search a number
-
+
20141507 is a prime number
BaseRepresentation
bin100110011010…
…1010111000011
31101220021221202
41030311113003
520124012012
61555411415
7333125411
oct114652703
941807852
1020141507
1110407681
1268b3b6b
134232969
1429642b1
151b7ccc2
hex13355c3

20141507 has 2 divisors, whose sum is σ = 20141508. Its totient is φ = 20141506.

The previous prime is 20141497. The next prime is 20141509. The reversal of 20141507 is 70514102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20141507 - 216 = 20075971 is a prime.

Together with 20141509, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p1279010 and since 20141507 and 1279010 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (20141509) 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 as a sum of consecutive naturals, namely, 10070753 + 10070754.

It is an arithmetic number, because the mean of its divisors is an integer number (10070754).

Almost surely, 220141507 is an apocalyptic number.

20141507 is a deficient number, since it is larger than the sum of its proper divisors (1).

20141507 is an equidigital number, since it uses as much as digits as its factorization.

20141507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 20141507 is about 4487.9290324157. The cubic root of 20141507 is about 272.0804395524.

Adding to 20141507 its reverse (70514102), we get a palindrome (90655609).

The spelling of 20141507 in words is "twenty million, one hundred forty-one thousand, five hundred seven".