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40543201 = 71571031
BaseRepresentation
bin1001101010101…
…0001111100001
32211021210211001
42122222033201
540334340301
64004552001
71001416516
oct232521741
984253731
1040543201
1120981786
12116b2601
138526b7a
14555530d
15385cc01
hex26aa3e1

40543201 has 4 divisors (see below), whose sum is σ = 41114304. Its totient is φ = 39972100.

The previous prime is 40543199. The next prime is 40543211. The reversal of 40543201 is 10234504.

40543201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40543201 - 21 = 40543199 is a prime.

It is a super-2 number, since 2×405432012 = 3287502294652802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40543211) 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 in 3 ways as a sum of consecutive naturals, for example, 285445 + ... + 285586.

It is an arithmetic number, because the mean of its divisors is an integer number (10278576).

Almost surely, 240543201 is an apocalyptic number.

It is an amenable number.

40543201 is a deficient number, since it is larger than the sum of its proper divisors (571103).

40543201 is an equidigital number, since it uses as much as digits as its factorization.

40543201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571102.

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

The square root of 40543201 is about 6367.3543171399. The cubic root of 40543201 is about 343.5363350543.

Adding to 40543201 its reverse (10234504), we get a palindrome (50777705).

The spelling of 40543201 in words is "forty million, five hundred forty-three thousand, two hundred one".

Divisors: 1 71 571031 40543201