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54204481 is a prime number
BaseRepresentation
bin1100111011000…
…1100001000001
310202222212120101
43032301201001
5102334020411
65213442401
71225505362
oct316614101
9122885511
1054204481
11286626a1
12161a0401
13b2cb076
1472adb69
154b5a8c1
hex33b1841

54204481 has 2 divisors, whose sum is σ = 54204482. Its totient is φ = 54204480.

The previous prime is 54204457. The next prime is 54204487. The reversal of 54204481 is 18440245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 680625 = 7316^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 54204481 - 211 = 54202433 is a prime.

It is a super-2 number, since 2×542044812 = 5876251520958722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54204487) 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 as a sum of consecutive naturals, namely, 27102240 + 27102241.

It is an arithmetic number, because the mean of its divisors is an integer number (27102241).

Almost surely, 254204481 is an apocalyptic number.

It is an amenable number.

54204481 is a deficient number, since it is larger than the sum of its proper divisors (1).

54204481 is an equidigital number, since it uses as much as digits as its factorization.

54204481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 54204481 is about 7362.3692518102. The cubic root of 54204481 is about 378.4528064699.

The spelling of 54204481 in words is "fifty-four million, two hundred four thousand, four hundred eighty-one".