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11069540 = 2252931889
BaseRepresentation
bin101010001110…
…100001100100
3202211101112222
4222032201210
510313211130
61033131512
7163042466
oct52164144
922741488
1011069540
116280789
123859b98
1323a7631
141682136
15e89ce5
hexa8e864

11069540 has 24 divisors (see below), whose sum is σ = 23337720. Its totient is φ = 4410368.

The previous prime is 11069519. The next prime is 11069557. The reversal of 11069540 is 4596011.

It can be written as a sum of positive squares in 4 ways, for example, as 3407716 + 7661824 = 1846^2 + 2768^2 .

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, 4916 + ... + 6804.

It is an arithmetic number, because the mean of its divisors is an integer number (972405).

Almost surely, 211069540 is an apocalyptic number.

11069540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11069540 is an abundant number, since it is smaller than the sum of its proper divisors (12268180).

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

11069540 is a wasteful number, since it uses less digits than its factorization.

11069540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 11069540 is about 3327.0918231994. The cubic root of 11069540 is about 222.8656781897.

The spelling of 11069540 in words is "eleven million, sixty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 1889 2930 3778 5860 7556 9445 18890 37780 553477 1106954 2213908 2767385 5534770 11069540