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7038125 = 5411261
BaseRepresentation
bin11010110110010010101101
3111020120111022
4122312102231
53300210000
6410503525
7113552213
oct32662255
914216438
107038125
113a77936
122434ba5
1315c5693
14d12cb3
15940585
hex6b64ad

7038125 has 10 divisors (see below), whose sum is σ = 8795622. Its totient is φ = 5630000.

The previous prime is 7038121. The next prime is 7038127. The reversal of 7038125 is 5218307.

It can be written as a sum of positive squares in 5 ways, for example, as 743044 + 6295081 = 862^2 + 2509^2 .

It is not a de Polignac number, because 7038125 - 22 = 7038121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7038094 and 7038103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7038121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5006 + ... + 6255.

Almost surely, 27038125 is an apocalyptic number.

It is an amenable number.

7038125 is a deficient number, since it is larger than the sum of its proper divisors (1757497).

7038125 is an equidigital number, since it uses as much as digits as its factorization.

7038125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11281 (or 11266 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 7038125 is about 2652.9464751480. The cubic root of 7038125 is about 191.6397777864.

The spelling of 7038125 in words is "seven million, thirty-eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 11261 56305 281525 1407625 7038125