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40980193 = 47871919
BaseRepresentation
bin1001110001010…
…0111011100001
32212010000020221
42130110323201
540442331233
64022203041
71005216532
oct234247341
985100227
1040980193
1121150031
1211883481
13864aa47
14562a689
1538e742d
hex2714ee1

40980193 has 4 divisors (see below), whose sum is σ = 41852160. Its totient is φ = 40108228.

The previous prime is 40980187. The next prime is 40980221. The reversal of 40980193 is 39108904.

40980193 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 40980193 - 29 = 40979681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40980293) 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, 435913 + ... + 436006.

It is an arithmetic number, because the mean of its divisors is an integer number (10463040).

Almost surely, 240980193 is an apocalyptic number.

It is an amenable number.

40980193 is a deficient number, since it is larger than the sum of its proper divisors (871967).

40980193 is an equidigital number, since it uses as much as digits as its factorization.

40980193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871966.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 40980193 is about 6401.5773837391. The cubic root of 40980193 is about 344.7661875829.

The spelling of 40980193 in words is "forty million, nine hundred eighty thousand, one hundred ninety-three".

Divisors: 1 47 871919 40980193