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3870227257 = 13222900753
BaseRepresentation
bin1110011010101110…
…1111101100111001
3100222201111220201021
43212223233230321
530411234233012
61440012222441
7164623250251
oct34653575471
910881456637
103870227257
111706708026
1290016aa21
13498a85500
1428a012961
15179b8e007
hexe6aefb39

3870227257 has 6 divisors (see below), whose sum is σ = 4190837982. Its totient is φ = 3572517312.

The previous prime is 3870227233. The next prime is 3870227279. The reversal of 3870227257 is 7527220783.

It can be written as a sum of positive squares in 3 ways, for example, as 4372281 + 3865854976 = 2091^2 + 62176^2 .

It is not a de Polignac number, because 3870227257 - 231 = 1722743609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870224257) 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, 11450208 + ... + 11450545.

It is an arithmetic number, because the mean of its divisors is an integer number (698472997).

Almost surely, 23870227257 is an apocalyptic number.

It is an amenable number.

3870227257 is a deficient number, since it is larger than the sum of its proper divisors (320610725).

3870227257 is a wasteful number, since it uses less digits than its factorization.

3870227257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22900779 (or 22900766 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 3870227257 is about 62211.1505841196. The cubic root of 3870227257 is about 1570.0452009381.

The spelling of 3870227257 in words is "three billion, eight hundred seventy million, two hundred twenty-seven thousand, two hundred fifty-seven".

Divisors: 1 13 169 22900753 297709789 3870227257