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3066943 = 11278813
BaseRepresentation
bin1011101100110000111111
312202211001111
423230300333
51241120233
6145422451
735032345
oct13546077
95684044
103066943
111805270
12103aa27
13834c79
1459b995
15408acd
hex2ecc3f

3066943 has 4 divisors (see below), whose sum is σ = 3345768. Its totient is φ = 2788120.

The previous prime is 3066911. The next prime is 3066971. The reversal of 3066943 is 3496603.

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

It is a cyclic number.

It is not a de Polignac number, because 3066943 - 25 = 3066911 is a prime.

It is a super-2 number, since 2×30669432 = 18812278730498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3066983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139396 + ... + 139417.

It is an arithmetic number, because the mean of its divisors is an integer number (836442).

Almost surely, 23066943 is an apocalyptic number.

3066943 is a deficient number, since it is larger than the sum of its proper divisors (278825).

3066943 is a wasteful number, since it uses less digits than its factorization.

3066943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278824.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 3066943 is about 1751.2689684911. The cubic root of 3066943 is about 145.2898364393.

The spelling of 3066943 in words is "three million, sixty-six thousand, nine hundred forty-three".

Divisors: 1 11 278813 3066943