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3800045217 = 31266681739
BaseRepresentation
bin1110001010000000…
…0001011010100001
3100210211110022001110
43202200001122201
530240302421332
61425024053533
7163111565013
oct34240013241
910724408043
103800045217
111680032241
128a07642a9
13487381b87
142809841b3
151739294cc
hexe28016a1

3800045217 has 4 divisors (see below), whose sum is σ = 5066726960. Its totient is φ = 2533363476.

The previous prime is 3800045213. The next prime is 3800045219. The reversal of 3800045217 is 7125400083.

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 not a de Polignac number, because 3800045217 - 22 = 3800045213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3800045213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633340867 + ... + 633340872.

It is an arithmetic number, because the mean of its divisors is an integer number (1266681740).

Almost surely, 23800045217 is an apocalyptic number.

It is an amenable number.

3800045217 is a deficient number, since it is larger than the sum of its proper divisors (1266681743).

3800045217 is a wasteful number, since it uses less digits than its factorization.

3800045217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266681742.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 3800045217 is about 61644.5067868987. The cubic root of 3800045217 is about 1560.4969402193.

The spelling of 3800045217 in words is "three billion, eight hundred million, forty-five thousand, two hundred seventeen".

Divisors: 1 3 1266681739 3800045217