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3275145 = 32573997
BaseRepresentation
bin1100011111100110001001
320011101122200
430133212021
51314301040
6154110413
736560346
oct14374611
96141580
103275145
111937735
12111b409
138a8973
146137cd
1544a630
hex31f989

3275145 has 24 divisors (see below), whose sum is σ = 5760456. Its totient is φ = 1721088.

The previous prime is 3275143. The next prime is 3275147. The reversal of 3275145 is 5415723.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3275143) and next prime (3275147).

It can be written as a sum of positive squares in 4 ways, for example, as 915849 + 2359296 = 957^2 + 1536^2 .

It is not a de Polignac number, because 3275145 - 21 = 3275143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3275143) 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, 2787 + ... + 3783.

It is an arithmetic number, because the mean of its divisors is an integer number (240019).

Almost surely, 23275145 is an apocalyptic number.

It is an amenable number.

3275145 is a deficient number, since it is larger than the sum of its proper divisors (2485311).

3275145 is a wasteful number, since it uses less digits than its factorization.

3275145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1078 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 3275145 is about 1809.7361686169. The cubic root of 3275145 is about 148.5058325091.

The spelling of 3275145 in words is "three million, two hundred seventy-five thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 73 219 365 657 997 1095 2991 3285 4985 8973 14955 44865 72781 218343 363905 655029 1091715 3275145