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3140965 = 5628193
BaseRepresentation
bin1011111110110101100101
312220120121001
423332311211
51301002330
6151153301
735461222
oct13766545
95816531
103140965
111855943
121075831
1385c879
145ba949
154209ca
hex2fed65

3140965 has 4 divisors (see below), whose sum is σ = 3769164. Its totient is φ = 2512768.

The previous prime is 3140959. The next prime is 3140981. The reversal of 3140965 is 5690413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 431649 + 2709316 = 657^2 + 1646^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140965 - 25 = 3140933 is a prime.

It is a super-2 number, since 2×31409652 = 19731322262450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314092 + ... + 314101.

It is an arithmetic number, because the mean of its divisors is an integer number (942291).

Almost surely, 23140965 is an apocalyptic number.

It is an amenable number.

3140965 is a deficient number, since it is larger than the sum of its proper divisors (628199).

3140965 is an equidigital number, since it uses as much as digits as its factorization.

3140965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628198.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3140965 is about 1772.2767842524. The cubic root of 3140965 is about 146.4494344937.

The spelling of 3140965 in words is "three million, one hundred forty thousand, nine hundred sixty-five".

Divisors: 1 5 628193 3140965