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11007138 = 231834523
BaseRepresentation
bin101001111111…
…010010100010
3202201012221210
4221333102202
510304212023
61031530550
7162362532
oct51772242
922635853
1011007138
11623890a
123829a56
1323850cc
1416674c2
15e76593
hexa7f4a2

11007138 has 8 divisors (see below), whose sum is σ = 22014288. Its totient is φ = 3669044.

The previous prime is 11007127. The next prime is 11007151. The reversal of 11007138 is 83170011.

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

11007138 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917256 + ... + 917267.

It is an arithmetic number, because the mean of its divisors is an integer number (2751786).

Almost surely, 211007138 is an apocalyptic number.

11007138 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.

11007138 is a wasteful number, since it uses less digits than its factorization.

11007138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834528.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 11007138 is about 3317.7007098290. The cubic root of 11007138 is about 222.4461040186.

Adding to 11007138 its reverse (83170011), we get a palindrome (94177149).

The spelling of 11007138 in words is "eleven million, seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 1834523 3669046 5503569 11007138