Base | Representation |
---|---|
bin | 1010111101001110010100 |
3 | 12101220221020 |
4 | 22331032110 |
5 | 1213402322 |
6 | 141321140 |
7 | 33261540 |
oct | 12751624 |
9 | 5356836 |
10 | 2872212 |
11 | 1691a32 |
12 | b661b0 |
13 | 797445 |
14 | 54aa20 |
15 | 3bb05c |
hex | 2bd394 |
2872212 has 48 divisors (see below), whose sum is σ = 7913472. Its totient is φ = 793440.
The previous prime is 2872187. The next prime is 2872237. The reversal of 2872212 is 2122782.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2872187) and next prime (2872237).
It is an Ulam number.
It is a d-powerful number, because it can be written as 2 + 87 + 76 + 211 + 217 + 1 + 219 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2053 + ... + 3155.
It is an arithmetic number, because the mean of its divisors is an integer number (164864).
22872212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2872212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3956736).
2872212 is an abundant number, since it is smaller than the sum of its proper divisors (5041260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2872212 is a wasteful number, since it uses less digits than its factorization.
2872212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1148 (or 1146 counting only the distinct ones).
The product of its digits is 896, while the sum is 24.
The square root of 2872212 is about 1694.7601600227. The cubic root of 2872212 is about 142.1473706422.
Adding to 2872212 its reverse (2122782), we get a palindrome (4994994).
The spelling of 2872212 in words is "two million, eight hundred seventy-two thousand, two hundred twelve".
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