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1395208 = 231967137
BaseRepresentation
bin101010100101000001000
32121212212101
411110220020
5324121313
645523144
714600443
oct5245010
92555771
101395208
11873271
125734b4
1339b089
1428465a
151c85dd
hex154a08

1395208 has 32 divisors (see below), whose sum is σ = 2815200. Its totient is φ = 646272.

The previous prime is 1395187. The next prime is 1395209. The reversal of 1395208 is 8025931.

It is not an unprimeable number, because it can be changed into a prime (1395209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10116 + ... + 10252.

It is an arithmetic number, because the mean of its divisors is an integer number (87975).

21395208 is an apocalyptic number.

It is an amenable number.

1395208 is an abundant number, since it is smaller than the sum of its proper divisors (1419992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1395208 is a wasteful number, since it uses less digits than its factorization.

1395208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1395208 is about 1181.1892312411. The cubic root of 1395208 is about 111.7411112215.

The spelling of 1395208 in words is "one million, three hundred ninety-five thousand, two hundred eight".

Divisors: 1 2 4 8 19 38 67 76 134 137 152 268 274 536 548 1096 1273 2546 2603 5092 5206 9179 10184 10412 18358 20824 36716 73432 174401 348802 697604 1395208