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3031442 = 21515721
BaseRepresentation
bin1011100100000110010010
312201000100122
423210012102
51234001232
6144550242
734524011
oct13440622
95630318
103031442
111790627
121022382
13821a6b
1458ca78
153ed312
hex2e4192

3031442 has 4 divisors (see below), whose sum is σ = 4547166. Its totient is φ = 1515720.

The previous prime is 3031421. The next prime is 3031463. The reversal of 3031442 is 2441303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441303 = 6913533.

It is an interprime number because it is at equal distance from previous prime (3031421) and next prime (3031463).

It can be written as a sum of positive squares in only one way, i.e., 3031081 + 361 = 1741^2 + 19^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3031442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757859 + ... + 757862.

Almost surely, 23031442 is an apocalyptic number.

3031442 is a deficient number, since it is larger than the sum of its proper divisors (1515724).

3031442 is a wasteful number, since it uses less digits than its factorization.

3031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515723.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3031442 is about 1741.1036729615. The cubic root of 3031442 is about 144.7270648532.

Adding to 3031442 its reverse (2441303), we get a palindrome (5472745).

The spelling of 3031442 in words is "three million, thirty-one thousand, four hundred forty-two".

Divisors: 1 2 1515721 3031442