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8301385 = 51987383
BaseRepresentation
bin11111101010101101001001
3120121202100201
4133222231021
54111121020
6453532201
7130363201
oct37525511
916552321
108301385
11475aa54
122944061
131948681
141161401
15adea0a
hex7eab49

8301385 has 8 divisors (see below), whose sum is σ = 10486080. Its totient is φ = 6291504.

The previous prime is 8301379. The next prime is 8301401. The reversal of 8301385 is 5831038.

8301385 = T2351 + T2352 + T2353.

8301385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8301385 - 25 = 8301353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43597 + ... + 43786.

It is an arithmetic number, because the mean of its divisors is an integer number (1310760).

Almost surely, 28301385 is an apocalyptic number.

8301385 is the 2353-rd centered triangular number.

It is an amenable number.

8301385 is a deficient number, since it is larger than the sum of its proper divisors (2184695).

8301385 is a wasteful number, since it uses less digits than its factorization.

8301385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87407.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8301385 is about 2881.2124184100. The cubic root of 8301385 is about 202.4806464255.

The spelling of 8301385 in words is "eight million, three hundred one thousand, three hundred eighty-five".

Divisors: 1 5 19 95 87383 436915 1660277 8301385