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48710697025 = 5237211932
BaseRepresentation
bin101101010111011000…
…100100000001000001
311122201201202210102211
4231113120210001001
51244224414301100
634213303142121
73343045043644
oct552730440101
9148651683384
1048710697025
1119726a11701
129535144941
13479390b963
1425013d5a5b
1514015b91ba
hexb57624041

48710697025 has 27 divisors (see below), whose sum is σ = 62129930331. Its totient is φ = 37883571840.

The previous prime is 48710697019. The next prime is 48710697041. The reversal of 48710697025 is 52079601784.

The square root of 48710697025 is 220705.

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

It can be written as a sum of positive squares in 13 ways, for example, as 9544703809 + 39165993216 = 97697^2 + 197904^2 .

It is not a de Polignac number, because 48710697025 - 221 = 48708599873 is a prime.

It is a super-2 number, since 2×487106970252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48710697025.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40829829 + ... + 40831021.

Almost surely, 248710697025 is an apocalyptic number.

48710697025 is the 220705-th square number.

48710697025 is the 110353-rd centered octagonal number.

It is an amenable number.

48710697025 is a deficient number, since it is larger than the sum of its proper divisors (13419233306).

48710697025 is an frugal number, since it uses more digits than its factorization.

48710697025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

Multiplying 48710697025 by its sum of digits (49), we get a square (2386824154225 = 15449352).

The spelling of 48710697025 in words is "forty-eight billion, seven hundred ten million, six hundred ninety-seven thousand, twenty-five".

Divisors: 1 5 25 37 185 925 1193 1369 5965 6845 29825 34225 44141 220705 1103525 1423249 1633217 7116245 8166085 35581225 40830425 52660213 263301065 1316505325 1948427881 9742139405 48710697025