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3280425 = 352191229
BaseRepresentation
bin1100100000111000101001
320011122220020
430200320221
51314433200
6154151053
736611631
oct14407051
96148806
103280425
1119406a5
121122489
138ab1a5
146156c1
1544bea0
hex320e29

3280425 has 24 divisors (see below), whose sum is σ = 5475840. Its totient is φ = 1732800.

The previous prime is 3280423. The next prime is 3280441. The reversal of 3280425 is 5240823.

It is not a de Polignac number, because 3280425 - 21 = 3280423 is a prime.

It is a super-2 number, since 2×32804252 = 21522376361250, which contains 22 as substring.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 3280395 and 3280404.

It is not an unprimeable number, because it can be changed into a prime (3280423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14211 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (228160).

Almost surely, 23280425 is an apocalyptic number.

It is an amenable number.

3280425 is a deficient number, since it is larger than the sum of its proper divisors (2195415).

3280425 is a wasteful number, since it uses less digits than its factorization.

3280425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3280425 is about 1811.1943573234. The cubic root of 3280425 is about 148.5855938435.

The spelling of 3280425 in words is "three million, two hundred eighty thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 191 229 573 687 955 1145 2865 3435 4775 5725 14325 17175 43739 131217 218695 656085 1093475 3280425