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8284425 = 352110459
BaseRepresentation
bin11111100110100100001001
3120120220002120
4133212210021
54110100200
6453321453
7130262562
oct37464411
916526076
108284425
114749236
122936289
131940a36
141159169
15ad99a0
hex7e6909

8284425 has 12 divisors (see below), whose sum is σ = 13697040. Its totient is φ = 4418320.

The previous prime is 8284417. The next prime is 8284427. The reversal of 8284425 is 5244828.

It is a happy number.

It is not a de Polignac number, because 8284425 - 23 = 8284417 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8284427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55155 + ... + 55304.

It is an arithmetic number, because the mean of its divisors is an integer number (1141420).

Almost surely, 28284425 is an apocalyptic number.

It is an amenable number.

8284425 is a deficient number, since it is larger than the sum of its proper divisors (5412615).

8284425 is a wasteful number, since it uses less digits than its factorization.

8284425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110472 (or 110467 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 8284425 is about 2878.2677081884. The cubic root of 8284425 is about 202.3426608941.

It can be divided in two parts, 828 and 4425, that added together give a triangular number (5253 = T102).

The spelling of 8284425 in words is "eight million, two hundred eighty-four thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 110459 331377 552295 1656885 2761475 8284425