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11209434 = 231868239
BaseRepresentation
bin101010110000…
…101011011010
3210002111110020
4222300223122
510332200214
61040131310
7164164365
oct52605332
923074406
1011209434
1163668a5
123906b36
132426202
1416bb0dc
15eb64a9
hexab0ada

11209434 has 8 divisors (see below), whose sum is σ = 22418880. Its totient is φ = 3736476.

The previous prime is 11209433. The next prime is 11209439. The reversal of 11209434 is 43490211.

11209434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

11209434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11209433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934114 + ... + 934125.

It is an arithmetic number, because the mean of its divisors is an integer number (2802360).

Almost surely, 211209434 is an apocalyptic number.

11209434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11209434 is a wasteful number, since it uses less digits than its factorization.

11209434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868244.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11209434 is about 3348.0492827914. The cubic root of 11209434 is about 223.8005904976.

Adding to 11209434 its reverse (43490211), we get a palindrome (54699645).

The spelling of 11209434 in words is "eleven million, two hundred nine thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1868239 3736478 5604717 11209434