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380008065 = 3525333871
BaseRepresentation
bin10110101001100…
…111011010000001
3222111001102001210
4112221213122001
51234240224230
6101412520333
712263005143
oct2651473201
9874042053
10380008065
11185560758
12a73200a9
1360961a58
143867cc93
1523564eb0
hex16a67681

380008065 has 8 divisors (see below), whose sum is σ = 608012928. Its totient is φ = 202670960.

The previous prime is 380008063. The next prime is 380008067. The reversal of 380008065 is 560800083.

It is an interprime number because it is at equal distance from previous prime (380008063) and next prime (380008067).

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

It is not a de Polignac number, because 380008065 - 21 = 380008063 is a prime.

It is a super-2 number, since 2×3800080652 = 288812258930088450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380008063) 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, 12666921 + ... + 12666950.

It is an arithmetic number, because the mean of its divisors is an integer number (76001616).

Almost surely, 2380008065 is an apocalyptic number.

It is an amenable number.

380008065 is a deficient number, since it is larger than the sum of its proper divisors (228004863).

380008065 is a wasteful number, since it uses less digits than its factorization.

380008065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25333879.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 380008065 is about 19493.7955514056. The cubic root of 380008065 is about 724.3207685234.

The spelling of 380008065 in words is "three hundred eighty million, eight thousand, sixty-five".

Divisors: 1 3 5 15 25333871 76001613 126669355 380008065