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10909000 = 235310909
BaseRepresentation
bin101001100111…
…010101001000
3202112020100001
4221213111020
510243042000
61025452344
7161503444
oct51472510
922466301
1010909000
116181103
1237a10b4
13234c53b
14163d824
15e5746a
hexa67548

10909000 has 32 divisors (see below), whose sum is σ = 25529400. Its totient is φ = 4363200.

The previous prime is 10908979. The next prime is 10909001. The reversal of 10909000 is 90901.

It can be written as a sum of positive squares in 4 ways, for example, as 1920996 + 8988004 = 1386^2 + 2998^2 .

It is not an unprimeable number, because it can be changed into a prime (10909001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455 + ... + 6454.

Almost surely, 210909000 is an apocalyptic number.

10909000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10909000 is an abundant number, since it is smaller than the sum of its proper divisors (14620400).

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

10909000 is a wasteful number, since it uses less digits than its factorization.

10909000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 10909000 is about 3302.8775333033. The cubic root of 10909000 is about 221.7830307187.

Adding to 10909000 its reverse (90901), we get a palindrome (10999901).

The spelling of 10909000 in words is "ten million, nine hundred nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 10909 21818 43636 54545 87272 109090 218180 272725 436360 545450 1090900 1363625 2181800 2727250 5454500 10909000