Base | Representation |
---|---|
bin | 1010111100101101111110 |
3 | 12101211002120 |
4 | 22330231332 |
5 | 1213321032 |
6 | 141303410 |
7 | 33252522 |
oct | 12745576 |
9 | 5354076 |
10 | 2870142 |
11 | 1690420 |
12 | b64b66 |
13 | 796512 |
14 | 549d82 |
15 | 3ba62c |
hex | 2bcb7e |
2870142 has 16 divisors (see below), whose sum is σ = 6262272. Its totient is φ = 869720.
The previous prime is 2870113. The next prime is 2870171. The reversal of 2870142 is 2410782.
It is an interprime number because it is at equal distance from previous prime (2870113) and next prime (2870171).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21678 + ... + 21809.
It is an arithmetic number, because the mean of its divisors is an integer number (391392).
22870142 is an apocalyptic number.
2870142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2870142 is an abundant number, since it is smaller than the sum of its proper divisors (3392130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2870142 is a wasteful number, since it uses less digits than its factorization.
2870142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43503.
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 2870142 is about 1694.1493440662. The cubic root of 2870142 is about 142.1132139512.
The spelling of 2870142 in words is "two million, eight hundred seventy thousand, one hundred forty-two".
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