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11209914 = 23469197
BaseRepresentation
bin101010110000…
…110010111010
3210002112010000
4222300302322
510332204124
61040133430
7164165652
oct52606272
923075100
1011209914
1163671a1
123907276
1324264b1
1416bb362
15eb66c9
hexab0cba

11209914 has 20 divisors (see below), whose sum is σ = 25118874. Its totient is φ = 3736584.

The previous prime is 11209907. The next prime is 11209951. The reversal of 11209914 is 41990211.

11209914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 3674889 = 2745^2 + 1917^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34437 + ... + 34760.

Almost surely, 211209914 is an apocalyptic number.

11209914 is an abundant number, since it is smaller than the sum of its proper divisors (13908960).

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

11209914 is an equidigital number, since it uses as much as digits as its factorization.

11209914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69211 (or 69202 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11209914 is about 3348.1209655567. The cubic root of 11209914 is about 223.8037849125.

The spelling of 11209914 in words is "eleven million, two hundred nine thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 69197 138394 207591 415182 622773 1245546 1868319 3736638 5604957 11209914