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40060621 is a prime number
BaseRepresentation
bin1001100011010…
…0011011001101
32210101021211201
42120310123031
540223414441
63550345501
7664336546
oct230643315
983337751
1040060621
1120682157
12114bb291
1383b8313
14546b4cd
1537b4c31
hex26346cd

40060621 has 2 divisors, whose sum is σ = 40060622. Its totient is φ = 40060620.

The previous prime is 40060609. The next prime is 40060637. The reversal of 40060621 is 12606004.

40060621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20160100 + 19900521 = 4490^2 + 4461^2 .

It is a cyclic number.

It is not a de Polignac number, because 40060621 - 211 = 40058573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40060681) 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, 20030310 + 20030311.

It is an arithmetic number, because the mean of its divisors is an integer number (20030311).

Almost surely, 240060621 is an apocalyptic number.

It is an amenable number.

40060621 is a deficient number, since it is larger than the sum of its proper divisors (1).

40060621 is an equidigital number, since it uses as much as digits as its factorization.

40060621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40060621 is about 6329.3460167698. The cubic root of 40060621 is about 342.1678695507.

Adding to 40060621 its reverse (12606004), we get a palindrome (52666625).

The spelling of 40060621 in words is "forty million, sixty thousand, six hundred twenty-one".