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380000271 = 3718095251
BaseRepresentation
bin10110101001100…
…101100000001111
3222111001000101010
4112221211200033
51234240002041
6101412420303
712262643340
oct2651454017
9874030333
10380000271
11185555912
12a7317693
136095b341
143867a0c7
1523562a16
hex16a6580f

380000271 has 8 divisors (see below), whose sum is σ = 579048064. Its totient is φ = 217143000.

The previous prime is 380000261. The next prime is 380000281. The reversal of 380000271 is 172000083.

It is an interprime number because it is at equal distance from previous prime (380000261) and next prime (380000281).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380000271 - 222 = 375805967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 18095251 = 380000271 / (3 + 8 + 0 + 0 + 0 + 0 + 2 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9047605 + ... + 9047646.

It is an arithmetic number, because the mean of its divisors is an integer number (72381008).

Almost surely, 2380000271 is an apocalyptic number.

380000271 is a deficient number, since it is larger than the sum of its proper divisors (199047793).

380000271 is a wasteful number, since it uses less digits than its factorization.

380000271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18095261.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 380000271 is about 19493.5956406200. The cubic root of 380000271 is about 724.3158165279.

The spelling of 380000271 in words is "three hundred eighty million, two hundred seventy-one", and thus it is an aban number.

Divisors: 1 3 7 21 18095251 54285753 126666757 380000271