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1095808 = 2771223
BaseRepresentation
bin100001011100010000000
32001200011111
410023202000
5240031213
635253104
712212530
oct4134200
92050144
101095808
1168932a
1244a194
132c4a0c
142074c0
15169a3d
hex10b880

1095808 has 32 divisors (see below), whose sum is σ = 2496960. Its totient is φ = 469248.

The previous prime is 1095793. The next prime is 1095811. The reversal of 1095808 is 8085901.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1095808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (78030).

21095808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1095808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248480).

1095808 is an abundant number, since it is smaller than the sum of its proper divisors (1401152).

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

1095808 is an equidigital number, since it uses as much as digits as its factorization.

1095808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1095808 is about 1046.8084829614. The cubic root of 1095808 is about 103.0967137603.

The spelling of 1095808 in words is "one million, ninety-five thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 1223 2446 4892 8561 9784 17122 19568 34244 39136 68488 78272 136976 156544 273952 547904 1095808