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7028625 = 35318743
BaseRepresentation
bin11010110011111110010001
3111020002110110
4122303332101
53244404000
6410351533
7113512422
oct32637621
914202413
107028625
113a7078a
12242b5a9
1315c1266
14d0d649
1593c850
hex6b3f91

7028625 has 16 divisors (see below), whose sum is σ = 11696256. Its totient is φ = 3748400.

The previous prime is 7028591. The next prime is 7028627. The reversal of 7028625 is 5268207.

It is not a de Polignac number, because 7028625 - 211 = 7026577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7028592 and 7028601.

It is not an unprimeable number, because it can be changed into a prime (7028627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8997 + ... + 9746.

It is an arithmetic number, because the mean of its divisors is an integer number (731016).

Almost surely, 27028625 is an apocalyptic number.

7028625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7028625 is a deficient number, since it is larger than the sum of its proper divisors (4667631).

7028625 is a wasteful number, since it uses less digits than its factorization.

7028625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761 (or 18751 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 7028625 is about 2651.1554084965. The cubic root of 7028625 is about 191.5535143930.

The spelling of 7028625 in words is "seven million, twenty-eight thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 18743 56229 93715 281145 468575 1405725 2342875 7028625