Base | Representation |
---|---|
bin | 1011001000111101010000 |
3 | 12111100212020 |
4 | 23020331100 |
5 | 1221422042 |
6 | 142331440 |
7 | 33551625 |
oct | 13107520 |
9 | 5440766 |
10 | 2920272 |
11 | 1715053 |
12 | b89b80 |
13 | 7b3294 |
14 | 56034c |
15 | 3ca3ec |
hex | 2c8f50 |
2920272 has 40 divisors (see below), whose sum is σ = 7645344. Its totient is φ = 960384.
The previous prime is 2920249. The next prime is 2920273. The reversal of 2920272 is 2720292.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2920273) 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, 3618 + ... + 4350.
22920272 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 2920272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3822672).
2920272 is an abundant number, since it is smaller than the sum of its proper divisors (4725072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2920272 is a wasteful number, since it uses less digits than its factorization.
2920272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 827 (or 821 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 2920272 is about 1708.8803351903. The cubic root of 2920272 is about 142.9358278908.
It can be divided in two parts, 29 and 20272, that added together give a triangular number (20301 = T201).
The spelling of 2920272 in words is "two million, nine hundred twenty thousand, two hundred seventy-two".
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