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2661033 = 36131447
BaseRepresentation
bin1010001001101010101001
312000012020210
422021222221
51140123113
6133011333
731422054
oct12115251
95005223
102661033
111558301
12a83b49
1372229b
144d3a9b
153786c3
hex289aa9

2661033 has 8 divisors (see below), whose sum is σ = 3556288. Its totient is φ = 1769904.

The previous prime is 2661013. The next prime is 2661067. The reversal of 2661033 is 3301662.

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

It is not a de Polignac number, because 2661033 - 29 = 2660521 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661013) 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, 1116 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (444536).

22661033 is an apocalyptic number.

It is an amenable number.

2661033 is a deficient number, since it is larger than the sum of its proper divisors (895255).

2661033 is a wasteful number, since it uses less digits than its factorization.

2661033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2661033 is about 1631.2672987589. The cubic root of 2661033 is about 138.5745318629.

Adding to 2661033 its reverse (3301662), we get a palindrome (5962695).

The spelling of 2661033 in words is "two million, six hundred sixty-one thousand, thirty-three".

Divisors: 1 3 613 1447 1839 4341 887011 2661033