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40234501 is a prime number
BaseRepresentation
bin1001100101111…
…0111000000101
32210201010100201
42121132320011
540300001001
63554210501
7665662516
oct231367005
983633321
1040234501
112079085a
1211583a31
1384494c8
1454b4a0d
1537eb501
hex265ee05

40234501 has 2 divisors, whose sum is σ = 40234502. Its totient is φ = 40234500.

The previous prime is 40234487. The next prime is 40234507. The reversal of 40234501 is 10543204.

40234501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40018276 + 216225 = 6326^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 40234501 - 211 = 40232453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40234507) 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, 20117250 + 20117251.

It is an arithmetic number, because the mean of its divisors is an integer number (20117251).

Almost surely, 240234501 is an apocalyptic number.

It is an amenable number.

40234501 is a deficient number, since it is larger than the sum of its proper divisors (1).

40234501 is an equidigital number, since it uses as much as digits as its factorization.

40234501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40234501 is about 6343.0671602940. The cubic root of 40234501 is about 342.6622060103.

Adding to 40234501 its reverse (10543204), we get a palindrome (50777705).

The spelling of 40234501 in words is "forty million, two hundred thirty-four thousand, five hundred one".