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4920291 = 33182233
BaseRepresentation
bin10010110001001111100011
3100020222101000
4102301033203
52224422131
6253243043
756551605
oct22611743
910228330
104920291
112860762
121793483
13103371c
14921175
15672ce6
hex4b13e3

4920291 has 8 divisors (see below), whose sum is σ = 7289360. Its totient is φ = 3280176.

The previous prime is 4920271. The next prime is 4920299. The reversal of 4920291 is 1920294.

It is not a de Polignac number, because 4920291 - 27 = 4920163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 182233 = 4920291 / (4 + 9 + 2 + 0 + 2 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4920299) 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, 91090 + ... + 91143.

It is an arithmetic number, because the mean of its divisors is an integer number (911170).

Almost surely, 24920291 is an apocalyptic number.

4920291 is a deficient number, since it is larger than the sum of its proper divisors (2369069).

4920291 is a wasteful number, since it uses less digits than its factorization.

4920291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182242 (or 182236 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4920291 is about 2218.1728967779. The cubic root of 4920291 is about 170.0840530139.

The spelling of 4920291 in words is "four million, nine hundred twenty thousand, two hundred ninety-one".

Divisors: 1 3 9 27 182233 546699 1640097 4920291