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20110914 = 2321117273
BaseRepresentation
bin100110010110…
…1111001000010
31101211201222200
41030231321002
520122022124
61555014030
7332640255
oct114557102
941751880
1020110914
111039669a
12689a316
134221a65
14295709c
151b73bc9
hex132de42

20110914 has 12 divisors (see below), whose sum is σ = 43573686. Its totient is φ = 6703632.

The previous prime is 20110879. The next prime is 20110927. The reversal of 20110914 is 41901102.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 8311689 = 3435^2 + 2883^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1117273 = 20110914 / (2 + 0 + 1 + 1 + 0 + 9 + 1 + 4).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558619 + ... + 558654.

Almost surely, 220110914 is an apocalyptic number.

20110914 is an abundant number, since it is smaller than the sum of its proper divisors (23462772).

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

20110914 is a wasteful number, since it uses less digits than its factorization.

20110914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117281 (or 1117278 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 20110914 is about 4484.5193722405. The cubic root of 20110914 is about 271.9426151289.

The spelling of 20110914 in words is "twenty million, one hundred ten thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 1117273 2234546 3351819 6703638 10055457 20110914