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8234427625 = 53197334393
BaseRepresentation
bin1111010101100111…
…10110010011101001
3210020212112021010221
413222303312103221
5113331003141000
63441032210041
7411025323424
oct75263662351
923225467127
108234427625
113546135396
121719839921
13a12c927a8
1458188c9bb
15332da561a
hex1eacf64e9

8234427625 has 16 divisors (see below), whose sum is σ = 10328761872. Its totient is φ = 6554083200.

The previous prime is 8234427599. The next prime is 8234427647. The reversal of 8234427625 is 5267244328.

It can be written as a sum of positive squares in 8 ways, for example, as 121462441 + 8112965184 = 11021^2 + 90072^2 .

It is not a de Polignac number, because 8234427625 - 221 = 8232330473 is a prime.

It is a super-2 number, since 2×82344276252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142572 + ... + 191821.

It is an arithmetic number, because the mean of its divisors is an integer number (645547617).

Almost surely, 28234427625 is an apocalyptic number.

It is an amenable number.

8234427625 is a deficient number, since it is larger than the sum of its proper divisors (2094334247).

8234427625 is a wasteful number, since it uses less digits than its factorization.

8234427625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334605 (or 334595 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The square root of 8234427625 is about 90743.7470297541. The cubic root of 8234427625 is about 2019.3478619789.

The spelling of 8234427625 in words is "eight billion, two hundred thirty-four million, four hundred twenty-seven thousand, six hundred twenty-five".

Divisors: 1 5 25 125 197 985 4925 24625 334393 1671965 8359825 41799125 65875421 329377105 1646885525 8234427625