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8738225 = 52349529
BaseRepresentation
bin100001010101…
…010110110001
3121102221120222
4201111112301
54214110400
6511142425
7134162606
oct41252661
917387528
108738225
114a29181
122b14a15
131a6c462
1412366ad
15b79185
hex8555b1

8738225 has 6 divisors (see below), whose sum is σ = 10835430. Its totient is φ = 6990560.

The previous prime is 8738209. The next prime is 8738227. The reversal of 8738225 is 5228378.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 289 + 8737936 = 17^2 + 2956^2 .

It is not a de Polignac number, because 8738225 - 24 = 8738209 is a prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8738227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174740 + ... + 174789.

It is an arithmetic number, because the mean of its divisors is an integer number (1805905).

Almost surely, 28738225 is an apocalyptic number.

It is an amenable number.

8738225 is a deficient number, since it is larger than the sum of its proper divisors (2097205).

8738225 is a wasteful number, since it uses less digits than its factorization.

8738225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349539 (or 349534 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 8738225 is about 2956.0488832223. The cubic root of 8738225 is about 205.9717889542.

The spelling of 8738225 in words is "eight million, seven hundred thirty-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 349529 1747645 8738225