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7671425 = 52306857
BaseRepresentation
bin11101010000111010000001
3112102202012212
4131100322001
53430441200
6432231505
7122130446
oct35207201
915382185
107671425
11436a723
12269b595
131787a08
1410399cd
15a18035
hex750e81

7671425 has 6 divisors (see below), whose sum is σ = 9512598. Its totient is φ = 6137120.

The previous prime is 7671413. The next prime is 7671451. The reversal of 7671425 is 5241767.

It can be written as a sum of positive squares in 3 ways, for example, as 92416 + 7579009 = 304^2 + 2753^2 .

It is not a de Polignac number, because 7671425 - 26 = 7671361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7671391 and 7671400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153404 + ... + 153453.

It is an arithmetic number, because the mean of its divisors is an integer number (1585433).

Almost surely, 27671425 is an apocalyptic number.

It is an amenable number.

7671425 is a deficient number, since it is larger than the sum of its proper divisors (1841173).

7671425 is a wasteful number, since it uses less digits than its factorization.

7671425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306867 (or 306862 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 7671425 is about 2769.7337417160. The cubic root of 7671425 is about 197.2235088486.

The spelling of 7671425 in words is "seven million, six hundred seventy-one thousand, four hundred twenty-five".

Divisors: 1 5 25 306857 1534285 7671425