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4903820 = 2251714423
BaseRepresentation
bin10010101101001110001100
3100020010202222
4102231032030
52223410240
6253034512
756452565
oct22551614
910203688
104903820
11284a349
121785a38
13102908c
1491916c
1566ceb5
hex4ad38c

4903820 has 24 divisors (see below), whose sum is σ = 10904544. Its totient is φ = 1846016.

The previous prime is 4903819. The next prime is 4903823. The reversal of 4903820 is 283094.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4903820.

It is not an unprimeable number, because it can be changed into a prime (4903823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6872 + ... + 7551.

It is an arithmetic number, because the mean of its divisors is an integer number (454356).

Almost surely, 24903820 is an apocalyptic number.

It is an amenable number.

4903820 is an abundant number, since it is smaller than the sum of its proper divisors (6000724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4903820 is a wasteful number, since it uses less digits than its factorization.

4903820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14449 (or 14447 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4903820 is about 2214.4570440629. The cubic root of 4903820 is about 169.8940516310.

The spelling of 4903820 in words is "four million, nine hundred three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 14423 28846 57692 72115 144230 245191 288460 490382 980764 1225955 2451910 4903820