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1395906 = 23733187
BaseRepresentation
bin101010100110011000010
32121220211020
411110303002
5324132111
645530310
714602461
oct5246302
92556736
101395906
11873846
12573996
1339b4a5
142849d8
151c8906
hex154cc2

1395906 has 16 divisors (see below), whose sum is σ = 2830944. Its totient is φ = 458784.

The previous prime is 1395883. The next prime is 1395907. The reversal of 1395906 is 6095931.

It is not an unprimeable number, because it can be changed into a prime (1395907) 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, 1156 + ... + 2031.

It is an arithmetic number, because the mean of its divisors is an integer number (176934).

21395906 is an apocalyptic number.

1395906 is an abundant number, since it is smaller than the sum of its proper divisors (1435038).

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

1395906 is a wasteful number, since it uses less digits than its factorization.

1395906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 1395906 is about 1181.4846592318. The cubic root of 1395906 is about 111.7597422053.

The spelling of 1395906 in words is "one million, three hundred ninety-five thousand, nine hundred six".

Divisors: 1 2 3 6 73 146 219 438 3187 6374 9561 19122 232651 465302 697953 1395906