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47709480625 = 5487372
BaseRepresentation
bin101100011011101101…
…001110011010110001
311120010221210201201221
4230123231032122301
51240202111340000
633530055425041
73306166615462
oct543355163261
9146127721657
1047709480625
1119262837a34
1292b5985181
134664366c11
14244844cd69
15139374761a
hexb1bb4e6b1

47709480625 has 15 divisors (see below), whose sum is σ = 59624591367. Its totient is φ = 38163216000.

The previous prime is 47709480619. The next prime is 47709480649. The reversal of 47709480625 is 52608490774.

The square root of 47709480625 is 218425.

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

It can be written as a sum of positive squares in 7 ways, for example, as 41183425969 + 6526054656 = 202937^2 + 80784^2 .

It is a de Polignac number, because none of the positive numbers 2k-47709480625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5456257 + ... + 5464993.

Almost surely, 247709480625 is an apocalyptic number.

47709480625 is the 218425-th square number.

47709480625 is the 109213-rd centered octagonal number.

It is an amenable number.

47709480625 is a deficient number, since it is larger than the sum of its proper divisors (11915110742).

47709480625 is an frugal number, since it uses more digits than its factorization.

47709480625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17494 (or 8742 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 47709480625 in words is "forty-seven billion, seven hundred nine million, four hundred eighty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 8737 43685 218425 1092125 5460625 76335169 381675845 1908379225 9541896125 47709480625