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54804409 = 1126732
BaseRepresentation
bin1101000100001…
…1111110111001
310211010100111221
43101003332321
5103012220114
65234352041
71233554422
oct321037671
9124110457
1054804409
1128a32400
121642b621
13b47b15a
1473c8649
154c28524
hex3443fb9

54804409 has 9 divisors (see below), whose sum is σ = 60329199. Its totient is φ = 49748160.

The previous prime is 54804391. The next prime is 54804419. The reversal of 54804409 is 90440845.

The square root of 54804409 is 7403.

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., 17935225 + 36869184 = 4235^2 + 6072^2 .

It is not a de Polignac number, because 54804409 - 211 = 54802361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54804419) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 81097 + ... + 81769.

Almost surely, 254804409 is an apocalyptic number.

54804409 is the 7403-rd square number.

54804409 is the 3702-nd centered octagonal number.

It is an amenable number.

54804409 is a deficient number, since it is larger than the sum of its proper divisors (5524790).

54804409 is an frugal number, since it uses more digits than its factorization.

54804409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The cubic root of 54804409 is about 379.8439086525.

It can be divided in two parts, 5480 and 4409, that added together give a palindrome (9889).

The spelling of 54804409 in words is "fifty-four million, eight hundred four thousand, four hundred nine".

Divisors: 1 11 121 673 7403 81433 452929 4982219 54804409