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3140260 = 225157013
BaseRepresentation
bin1011111110101010100100
312220112121221
423332222210
51300442020
6151150124
735456164
oct13765244
95815557
103140260
111855362
121075344
1385c456
145ba5a4
154206aa
hex2feaa4

3140260 has 12 divisors (see below), whose sum is σ = 6594588. Its totient is φ = 1256096.

The previous prime is 3140251. The next prime is 3140273. The reversal of 3140260 is 620413.

It can be written as a sum of positive squares in 2 ways, for example, as 1597696 + 1542564 = 1264^2 + 1242^2 .

It is a super-2 number, since 2×31402602 = 19722465735200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78487 + ... + 78526.

It is an arithmetic number, because the mean of its divisors is an integer number (549549).

Almost surely, 23140260 is an apocalyptic number.

It is an amenable number.

3140260 is an abundant number, since it is smaller than the sum of its proper divisors (3454328).

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

3140260 is a wasteful number, since it uses less digits than its factorization.

3140260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157022 (or 157020 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3140260 is about 1772.0778763926. The cubic root of 3140260 is about 146.4384766535.

Adding to 3140260 its reverse (620413), we get a palindrome (3760673).

The spelling of 3140260 in words is "three million, one hundred forty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 157013 314026 628052 785065 1570130 3140260