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3225281 = 47163421
BaseRepresentation
bin1100010011011011000001
320001212020212
430103123001
51311202111
6153043505
736262103
oct14233301
96055225
103225281
111903224
1210b6595
1388c067
145dd573
1543a98b
hex3136c1

3225281 has 8 divisors (see below), whose sum is σ = 3321984. Its totient is φ = 3129840.

The previous prime is 3225259. The next prime is 3225283. The reversal of 3225281 is 1825223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3225281 - 218 = 2963137 is a prime.

It is a super-2 number, since 2×32252812 = 20804875057922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7451 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (415248).

Almost surely, 23225281 is an apocalyptic number.

It is an amenable number.

3225281 is a deficient number, since it is larger than the sum of its proper divisors (96703).

3225281 is a wasteful number, since it uses less digits than its factorization.

3225281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its digits is 960, while the sum is 23.

The square root of 3225281 is about 1795.9067347722. The cubic root of 3225281 is about 147.7483091262.

The spelling of 3225281 in words is "three million, two hundred twenty-five thousand, two hundred eighty-one".

Divisors: 1 47 163 421 7661 19787 68623 3225281