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16871142 = 2326910453
BaseRepresentation
bin100000001011…
…0111011100110
31011202010212010
41000112323212
513304334032
61401335050
7263255001
oct100267346
934663763
1016871142
1195835a2
125797486
133659232
142352538
151733ccc
hex1016ee6

16871142 has 16 divisors (see below), whose sum is σ = 33870960. Its totient is φ = 5602272.

The previous prime is 16871137. The next prime is 16871143. The reversal of 16871142 is 24117861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16871143) 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, 3613 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (2116935).

Almost surely, 216871142 is an apocalyptic number.

16871142 is an abundant number, since it is smaller than the sum of its proper divisors (16999818).

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

16871142 is a wasteful number, since it uses less digits than its factorization.

16871142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727.

The product of its digits is 2688, while the sum is 30.

The square root of 16871142 is about 4107.4495736406. The cubic root of 16871142 is about 256.4768435867.

The spelling of 16871142 in words is "sixteen million, eight hundred seventy-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 269 538 807 1614 10453 20906 31359 62718 2811857 5623714 8435571 16871142