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16961033 = 19387881
BaseRepresentation
bin100000010110…
…0111000001001
31011220201011102
41000230320021
513320223113
61403311145
7264111035
oct100547011
934821142
1016961033
119635091
12581b4b5
13368b11b
1423771c5
151750758
hex102ce09

16961033 has 4 divisors (see below), whose sum is σ = 17049108. Its totient is φ = 16872960.

The previous prime is 16961029. The next prime is 16961041. The reversal of 16961033 is 33016961.

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 7912969 + 9048064 = 2813^2 + 3008^2 .

It is a cyclic number.

It is not a de Polignac number, because 16961033 - 22 = 16961029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16960987 and 16961005.

It is not an unprimeable number, because it can be changed into a prime (16961023) 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, 43748 + ... + 44133.

It is an arithmetic number, because the mean of its divisors is an integer number (4262277).

Almost surely, 216961033 is an apocalyptic number.

It is an amenable number.

16961033 is a deficient number, since it is larger than the sum of its proper divisors (88075).

16961033 is an equidigital number, since it uses as much as digits as its factorization.

16961033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88074.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 16961033 is about 4118.3774717721. The cubic root of 16961033 is about 256.9315477279.

Adding to 16961033 its reverse (33016961), we get a palindrome (49977994).

The spelling of 16961033 in words is "sixteen million, nine hundred sixty-one thousand, thirty-three".

Divisors: 1 193 87881 16961033