Base | Representation |
---|---|
bin | 1011001011011100001101 |
3 | 12111212211000 |
4 | 23023130031 |
5 | 1222233240 |
6 | 142450513 |
7 | 33623400 |
oct | 13133415 |
9 | 5455730 |
10 | 2930445 |
11 | 1721761 |
12 | b93a39 |
13 | 7b7abb |
14 | 563d37 |
15 | 3cd430 |
hex | 2cb70d |
2930445 has 48 divisors (see below), whose sum is σ = 6073920. Its totient is φ = 1336608.
The previous prime is 2930419. The next prime is 2930449. The reversal of 2930445 is 5440392.
It is not a de Polignac number, because 2930445 - 25 = 2930413 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2930449) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6394 + ... + 6836.
It is an arithmetic number, because the mean of its divisors is an integer number (126540).
22930445 is an apocalyptic number.
It is an amenable number.
2930445 is an abundant number, since it is smaller than the sum of its proper divisors (3143475).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2930445 is a wasteful number, since it uses less digits than its factorization.
2930445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471 (or 458 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 2930445 is about 1711.8542578152. The cubic root of 2930445 is about 143.1016116445.
It can be divided in two parts, 2930 and 445, that added together give a cube (3375 = 153).
The spelling of 2930445 in words is "two million, nine hundred thirty thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •