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11030142 = 236130137
BaseRepresentation
bin101010000100…
…111001111110
3202202101111210
4222010321332
510310431032
61032225250
7162516564
oct52047176
922671453
1011030142
116254122
12383b226
132392716
141671a34
15e7d2cc
hexa84e7e

11030142 has 16 divisors (see below), whose sum is σ = 22422672. Its totient is φ = 3616320.

The previous prime is 11030137. The next prime is 11030171. The reversal of 11030142 is 24103011.

Added to its reverse (24103011) it gives a triangular number (35133153 = T8382).

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 14703 + ... + 15434.

It is an arithmetic number, because the mean of its divisors is an integer number (1401417).

Almost surely, 211030142 is an apocalyptic number.

11030142 is an abundant number, since it is smaller than the sum of its proper divisors (11392530).

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

11030142 is a wasteful number, since it uses less digits than its factorization.

11030142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30203.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11030142 is about 3321.1657591876. The cubic root of 11030142 is about 222.6009607884.

Adding to 11030142 its reverse (24103011), we get a palindrome (35133153).

The spelling of 11030142 in words is "eleven million, thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 61 122 183 366 30137 60274 90411 180822 1838357 3676714 5515071 11030142