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4020484 = 221377317
BaseRepresentation
bin1111010101100100000100
321120021001211
433111210010
52012123414
6222101204
746113346
oct17254404
97507054
104020484
1122a6716
12141a804
13aa9cb0
14769296
155463c4
hex3d5904

4020484 has 12 divisors (see below), whose sum is σ = 7577164. Its totient is φ = 1855584.

The previous prime is 4020463. The next prime is 4020493. The reversal of 4020484 is 4840204.

It can be written as a sum of positive squares in 2 ways, for example, as 1617984 + 2402500 = 1272^2 + 1550^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38607 + ... + 38710.

Almost surely, 24020484 is an apocalyptic number.

It is an amenable number.

4020484 is a deficient number, since it is larger than the sum of its proper divisors (3556680).

4020484 is a wasteful number, since it uses less digits than its factorization.

4020484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77334 (or 77332 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4020484 is about 2005.1144605733. The cubic root of 4020484 is about 159.0106133232.

Adding to 4020484 its reverse (4840204), we get a palindrome (8860688).

The spelling of 4020484 in words is "four million, twenty thousand, four hundred eighty-four".

Divisors: 1 2 4 13 26 52 77317 154634 309268 1005121 2010242 4020484