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3140225 = 521119601
BaseRepresentation
bin1011111110101010000001
312220112120122
423332222001
51300441400
6151150025
735456114
oct13765201
95815518
103140225
111855330
121075315
1385c42a
145ba57b
15420685
hex2fea81

3140225 has 24 divisors (see below), whose sum is σ = 4478880. Its totient is φ = 2160000.

The previous prime is 3140209. The next prime is 3140233. The reversal of 3140225 is 5220413.

It is not a de Polignac number, because 3140225 - 24 = 3140209 is a prime.

It is a super-2 number, since 2×31402252 = 19722026101250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4925 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (186620).

Almost surely, 23140225 is an apocalyptic number.

It is an amenable number.

3140225 is a deficient number, since it is larger than the sum of its proper divisors (1338655).

3140225 is a wasteful number, since it uses less digits than its factorization.

3140225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3140225 is about 1772.0680009526. The cubic root of 3140225 is about 146.4379326046.

Adding to 3140225 its reverse (5220413), we get a palindrome (8360638).

The spelling of 3140225 in words is "three million, one hundred forty thousand, two hundred twenty-five".

Divisors: 1 5 11 19 25 55 95 209 275 475 601 1045 3005 5225 6611 11419 15025 33055 57095 125609 165275 285475 628045 3140225