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11100141 = 321394873
BaseRepresentation
bin101010010101…
…111111101101
3202212221112100
4222111333231
510320201031
61033525313
7163230633
oct52257755
922787470
1011100141
1162a1778
123873839
1323b8540
14168d353
15e93de6
hexa95fed

11100141 has 12 divisors (see below), whose sum is σ = 17267068. Its totient is φ = 6830784.

The previous prime is 11100121. The next prime is 11100143. The reversal of 11100141 is 14100111.

It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 3515625 = 2754^2 + 1875^2 .

It is not a de Polignac number, because 11100141 - 27 = 11100013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47320 + ... + 47553.

Almost surely, 211100141 is an apocalyptic number.

It is an amenable number.

11100141 is a deficient number, since it is larger than the sum of its proper divisors (6166927).

11100141 is a wasteful number, since it uses less digits than its factorization.

11100141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94892 (or 94889 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 11100141 is about 3331.6874103073. The cubic root of 11100141 is about 223.0708549738.

Adding to 11100141 its reverse (14100111), we get a palindrome (25200252).

The spelling of 11100141 in words is "eleven million, one hundred thousand, one hundred forty-one".

Divisors: 1 3 9 13 39 117 94873 284619 853857 1233349 3700047 11100141