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11048142 = 2372311437
BaseRepresentation
bin101010001001…
…010011001110
3202210022012110
4222021103032
510312020032
61032444450
7162623220
oct52112316
922708173
1011048142
1162666a6
123849726
13239a981
141678410
15e837cc
hexa894ce

11048142 has 32 divisors (see below), whose sum is σ = 26353152. Its totient is φ = 3019104.

The previous prime is 11048117. The next prime is 11048143. The reversal of 11048142 is 24184011.

It is a happy number.

It is a super-2 number, since 2×110481422 = 244122883304328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11048143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (823536).

Almost surely, 211048142 is an apocalyptic number.

11048142 is an abundant number, since it is smaller than the sum of its proper divisors (15305010).

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

11048142 is a wasteful number, since it uses less digits than its factorization.

11048142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11472.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 11048142 is about 3323.8745463690. The cubic root of 11048142 is about 222.7219818869.

The spelling of 11048142 in words is "eleven million, forty-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 11437 22874 34311 68622 80059 160118 240177 263051 480354 526102 789153 1578306 1841357 3682714 5524071 11048142