Search a number
-
+
3042281 = 112331187
BaseRepresentation
bin1011100110101111101001
312201120020002
423212233221
51234323111
6145112345
734600424
oct13465751
95646202
103042281
111798790
1210286b5
13826988
145929bb
1540163b
hex2e6be9

3042281 has 8 divisors (see below), whose sum is σ = 3335904. Its totient is φ = 2751520.

The previous prime is 3042257. The next prime is 3042283. The reversal of 3042281 is 1822403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3042281 is a prime.

It is a super-2 number, since 2×30422812 = 18510947365922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (416988).

Almost surely, 23042281 is an apocalyptic number.

It is an amenable number.

3042281 is a deficient number, since it is larger than the sum of its proper divisors (293623).

3042281 is a wasteful number, since it uses less digits than its factorization.

3042281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3042281 is about 1744.2135763719. The cubic root of 3042281 is about 144.8993514771.

Adding to 3042281 its reverse (1822403), we get a palindrome (4864684).

It can be divided in two parts, 30422 and 81, that added together give a palindrome (30503).

The spelling of 3042281 in words is "three million, forty-two thousand, two hundred eighty-one".

Divisors: 1 11 233 1187 2563 13057 276571 3042281