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2729061 = 321717837
BaseRepresentation
bin1010011010010001100101
312010122120100
422122101211
51144312221
6134254313
732124306
oct12322145
95118510
102729061
1115a4425
12ab7399
1374723a
145107ad
1538d926
hex29a465

2729061 has 12 divisors (see below), whose sum is σ = 4174092. Its totient is φ = 1712256.

The previous prime is 2729059. The next prime is 2729071. The reversal of 2729061 is 1609272.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 497025 = 1494^2 + 705^2 .

It is not a de Polignac number, because 2729061 - 21 = 2729059 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8766 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (347841).

22729061 is an apocalyptic number.

It is an amenable number.

2729061 is a deficient number, since it is larger than the sum of its proper divisors (1445031).

2729061 is a wasteful number, since it uses less digits than its factorization.

2729061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17860 (or 17857 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2729061 is about 1651.9869854209. The cubic root of 2729061 is about 139.7454729114.

The spelling of 2729061 in words is "two million, seven hundred twenty-nine thousand, sixty-one".

Divisors: 1 3 9 17 51 153 17837 53511 160533 303229 909687 2729061