Base | Representation |
---|---|
bin | 1010011000001010011100 |
3 | 12010012201000 |
4 | 22120022130 |
5 | 1144023122 |
6 | 134150300 |
7 | 32060142 |
oct | 12301234 |
9 | 5105630 |
10 | 2720412 |
11 | 1598982 |
12 | ab2390 |
13 | 743316 |
14 | 50b592 |
15 | 38b0ac |
hex | 29829c |
2720412 has 24 divisors (see below), whose sum is σ = 7053200. Its totient is φ = 906768.
The previous prime is 2720411. The next prime is 2720441. The reversal of 2720412 is 2140272.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2720411) 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, 12487 + ... + 12702.
22720412 is an apocalyptic number.
It is an amenable number.
2720412 is an abundant number, since it is smaller than the sum of its proper divisors (4332788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2720412 is a wasteful number, since it uses less digits than its factorization.
2720412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25202 (or 25194 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 2720412 is about 1649.3671513644. The cubic root of 2720412 is about 139.5976885412.
Adding to 2720412 its reverse (2140272), we get a palindrome (4860684).
The spelling of 2720412 in words is "two million, seven hundred twenty thousand, four hundred twelve".
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