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13045142 = 211976113
BaseRepresentation
bin110001110000…
…110110010110
3220112202120102
4301300312112
511314421032
61143334102
7215611325
oct61606626
926482512
1013045142
117400010
124451332
132919926
141a380bc
15122a362
hexc70d96

13045142 has 16 divisors (see below), whose sum is σ = 21570192. Its totient is φ = 5867520.

The previous prime is 13045139. The next prime is 13045147. The reversal of 13045142 is 24154031.

13045142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (1348137).

Almost surely, 213045142 is an apocalyptic number.

13045142 is a deficient number, since it is larger than the sum of its proper divisors (8525050).

13045142 is a wasteful number, since it uses less digits than its factorization.

13045142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13045142 is about 3611.8059194813. The cubic root of 13045142 is about 235.4053183277.

Adding to 13045142 its reverse (24154031), we get a palindrome (37199173).

Subtracting 13045142 from its reverse (24154031), we obtain a square (11108889 = 33332).

It can be divided in two parts, 1304 and 5142, that added together give a palindrome (6446).

The spelling of 13045142 in words is "thirteen million, forty-five thousand, one hundred forty-two".

Divisors: 1 2 11 22 97 194 1067 2134 6113 12226 67243 134486 592961 1185922 6522571 13045142