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5746387221 = 32638487469
BaseRepresentation
bin1010101101000001…
…01110100100010101
3112211110211201100100
411112200232210111
543232033342341
62350113004313
7262254325341
oct52640564425
915743751310
105746387221
11248975a853
121144553699
1370768cb33
143c7272621
1523973d3b6
hex15682e915

5746387221 has 6 divisors (see below), whose sum is σ = 8300337110. Its totient is φ = 3830924808.

The previous prime is 5746387139. The next prime is 5746387237. The reversal of 5746387221 is 1227836475.

5746387221 is a `hidden beast` number, since 5 + 7 + 4 + 638 + 7 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5310036900 + 436350321 = 72870^2 + 20889^2 .

It is not a de Polignac number, because 5746387221 - 27 = 5746387093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5746387421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319243726 + ... + 319243743.

Almost surely, 25746387221 is an apocalyptic number.

It is an amenable number.

5746387221 is a deficient number, since it is larger than the sum of its proper divisors (2553949889).

5746387221 is a wasteful number, since it uses less digits than its factorization.

5746387221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638487475 (or 638487472 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 5746387221 is about 75804.9287381764. The cubic root of 5746387221 is about 1791.1486464600.

The spelling of 5746387221 in words is "five billion, seven hundred forty-six million, three hundred eighty-seven thousand, two hundred twenty-one".

Divisors: 1 3 9 638487469 1915462407 5746387221