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12038142 = 23171071103
BaseRepresentation
bin101101111010…
…111111111110
3211122121020010
4231322333332
511040210032
61110004050
7204215424
oct55727776
924577203
1012038142
116882486
124046626
13265647c
141855114
1510cbccc
hexb7affe

12038142 has 32 divisors (see below), whose sum is σ = 25754112. Its totient is φ = 3737984.

The previous prime is 12038141. The next prime is 12038149. The reversal of 12038142 is 24183021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12038141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10363 + ... + 11465.

It is an arithmetic number, because the mean of its divisors is an integer number (804816).

Almost surely, 212038142 is an apocalyptic number.

12038142 is an abundant number, since it is smaller than the sum of its proper divisors (13715970).

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

12038142 is a wasteful number, since it uses less digits than its factorization.

12038142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12038142 is about 3469.6025709006. The cubic root of 12038142 is about 229.1851569140.

The spelling of 12038142 in words is "twelve million, thirty-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 107 214 321 642 1103 1819 2206 3309 3638 5457 6618 10914 18751 37502 56253 112506 118021 236042 354063 708126 2006357 4012714 6019071 12038142