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3145065 = 357211389
BaseRepresentation
bin1011111111110101101001
312220210012220
423333311221
51301120230
6151224253
735506200
oct13776551
95823186
103145065
111858a30
121078089
138616b1
145bc237
15421d10
hex2ffd69

3145065 has 48 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 1303680.

The previous prime is 3145057. The next prime is 3145091. The reversal of 3145065 is 5605413.

It is not a de Polignac number, because 3145065 - 23 = 3145057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7891 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

Almost surely, 23145065 is an apocalyptic number.

3145065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3145065 is an abundant number, since it is smaller than the sum of its proper divisors (3257175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3145065 is a wasteful number, since it uses less digits than its factorization.

3145065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3145065 is about 1773.4331112280. The cubic root of 3145065 is about 146.5131284658.

The spelling of 3145065 in words is "three million, one hundred forty-five thousand, sixty-five".

Divisors: 1 3 5 7 11 15 21 33 35 49 55 77 105 147 165 231 245 385 389 539 735 1155 1167 1617 1945 2695 2723 4279 5835 8085 8169 12837 13615 19061 21395 29953 40845 57183 64185 89859 95305 149765 209671 285915 449295 629013 1048355 3145065