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4818025 = 524392
BaseRepresentation
bin10010011000010001101001
3100001210002101
4102120101221
52213134100
6251133401
755644502
oct22302151
910053071
104818025
1127a0943
121744261
13cc9004
148d5ba9
1565286a
hex498469

4818025 has 9 divisors (see below), whose sum is σ = 5987991. Its totient is φ = 3845640.

The previous prime is 4818013. The next prime is 4818043. The reversal of 4818025 is 5208184.

The square root of 4818025 is 2195.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1734489 + 3083536 = 1317^2 + 1756^2 .

It is not a de Polignac number, because 4818025 - 29 = 4817513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4817984 and 4818002.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10756 + ... + 11194.

Almost surely, 24818025 is an apocalyptic number.

4818025 is the 2195-th square number.

4818025 is the 1098-th centered octagonal number.

It is an amenable number.

4818025 is a deficient number, since it is larger than the sum of its proper divisors (1169966).

4818025 is an frugal number, since it uses more digits than its factorization.

4818025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The cubic root of 4818025 is about 168.8974203299.

The spelling of 4818025 in words is "four million, eight hundred eighteen thousand, twenty-five".

Divisors: 1 5 25 439 2195 10975 192721 963605 4818025