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4820890 = 25598171
BaseRepresentation
bin10010011000111110011010
3100001221000111
4102120332122
52213232030
6251154534
755656034
oct22307632
910057014
104820890
1127a3008
121745a4a
13cca3c9
148d6c54
1565362a
hex498f9a

4820890 has 16 divisors (see below), whose sum is σ = 8825760. Its totient is φ = 1895440.

The previous prime is 4820887. The next prime is 4820899. The reversal of 4820890 is 980284.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4820899) 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, 3496 + ... + 4675.

It is an arithmetic number, because the mean of its divisors is an integer number (551610).

Almost surely, 24820890 is an apocalyptic number.

4820890 is a deficient number, since it is larger than the sum of its proper divisors (4004870).

4820890 is a wasteful number, since it uses less digits than its factorization.

4820890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 4820890 is about 2195.6525226001. The cubic root of 4820890 is about 168.9308915293.

Subtracting from 4820890 its reverse (980284), we obtain a triangular number (3840606 = T2771).

The spelling of 4820890 in words is "four million, eight hundred twenty thousand, eight hundred ninety".

Divisors: 1 2 5 10 59 118 295 590 8171 16342 40855 81710 482089 964178 2410445 4820890