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4873945 = 52813469
BaseRepresentation
bin10010100101111011011001
3100011121210111
4102211323121
52221431240
6252244321
756266516
oct22457331
910147714
104873945
11282995a
1217706a1
1310185bb
1490c30d
156641ea
hex4a5ed9

4873945 has 8 divisors (see below), whose sum is σ = 5871240. Its totient is φ = 3884160.

The previous prime is 4873903. The next prime is 4873993. The reversal of 4873945 is 5493784.

It can be written as a sum of positive squares in 4 ways, for example, as 51529 + 4822416 = 227^2 + 2196^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4873945 - 29 = 4873433 is a prime.

4873945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4873898 and 4873907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 3139.

It is an arithmetic number, because the mean of its divisors is an integer number (733905).

Almost surely, 24873945 is an apocalyptic number.

It is an amenable number.

4873945 is a deficient number, since it is larger than the sum of its proper divisors (997295).

4873945 is a wasteful number, since it uses less digits than its factorization.

4873945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755.

The product of its digits is 120960, while the sum is 40.

The square root of 4873945 is about 2207.7012932007. The cubic root of 4873945 is about 169.5483397193.

It can be divided in two parts, 48739 and 45, that added together give a palindrome (48784).

The spelling of 4873945 in words is "four million, eight hundred seventy-three thousand, nine hundred forty-five".

Divisors: 1 5 281 1405 3469 17345 974789 4873945