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380253311 = 419274471
BaseRepresentation
bin10110101010100…
…011010001111111
3222111111212110222
4112222203101333
51234321101221
6101422051555
712265046144
oct2652432177
9874455428
10380253311
11185708a39
12a7419bbb
1360a19579
14387043cb
15235b29ab
hex16aa347f

380253311 has 4 divisors (see below), whose sum is σ = 389527824. Its totient is φ = 370978800.

The previous prime is 380253287. The next prime is 380253373. The reversal of 380253311 is 113352083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113352083 = 138719391.

It is a cyclic number.

It is not a de Polignac number, because 380253311 - 210 = 380252287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380253611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637195 + ... + 4637276.

It is an arithmetic number, because the mean of its divisors is an integer number (97381956).

Almost surely, 2380253311 is an apocalyptic number.

380253311 is a deficient number, since it is larger than the sum of its proper divisors (9274513).

380253311 is an equidigital number, since it uses as much as digits as its factorization.

380253311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274512.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 380253311 is about 19500.0848972511. The cubic root of 380253311 is about 724.4765534373.

The spelling of 380253311 in words is "three hundred eighty million, two hundred fifty-three thousand, three hundred eleven".

Divisors: 1 41 9274471 380253311