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5208941929 = 721732
BaseRepresentation
bin1001101100111101…
…00010010101101001
3111110000112200000011
410312132202111221
541131442120204
62220513411521
7243040163422
oct46636422551
914400480004
105208941929
112233348194
121014569ba1
13650226c79
14375b30649
1520747a304
hex1367a2569

5208941929 has 3 divisors (see below), whose sum is σ = 5209014103. Its totient is φ = 5208869756.

The previous prime is 5208941921. The next prime is 5208941939. The reversal of 5208941929 is 9291498025.

The square root of 5208941929 is 72173.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 523265625 + 4685676304 = 22875^2 + 68452^2 .

It is not a de Polignac number, because 5208941929 - 23 = 5208941921 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (5208941921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36087 + ... + 108259.

Almost surely, 25208941929 is an apocalyptic number.

5208941929 is the 72173-rd square number.

5208941929 is the 36087-th centered octagonal number.

It is an amenable number.

5208941929 is a deficient number, since it is larger than the sum of its proper divisors (72174).

5208941929 is an frugal number, since it uses more digits than its factorization.

5208941929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144346 (or 72173 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The cubic root of 5208941929 is about 1733.4706995137.

Multiplying 5208941929 by its sum of digits (49), we get a square (255238154521 = 5052112).

The spelling of 5208941929 in words is "five billion, two hundred eight million, nine hundred forty-one thousand, nine hundred twenty-nine".

Divisors: 1 72173 5208941929