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2609001 = 32289889
BaseRepresentation
bin1001111100111101101001
311220112212200
421330331221
51131442001
6131530413
731114263
oct11747551
94815780
102609001
1115221aa
12a59a09
137046b5
144bcb33
15368086
hex27cf69

2609001 has 6 divisors (see below), whose sum is σ = 3768570. Its totient is φ = 1739328.

The previous prime is 2608993. The next prime is 2609021. The reversal of 2609001 is 1009062.

It can be written as a sum of positive squares in only one way, i.e., 1687401 + 921600 = 1299^2 + 960^2 .

It is not a de Polignac number, because 2609001 - 23 = 2608993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2609021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144936 + ... + 144953.

It is an arithmetic number, because the mean of its divisors is an integer number (628095).

22609001 is an apocalyptic number.

It is an amenable number.

2609001 is a deficient number, since it is larger than the sum of its proper divisors (1159569).

2609001 is a wasteful number, since it uses less digits than its factorization.

2609001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289895 (or 289892 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2609001 is about 1615.2402298110. The cubic root of 2609001 is about 137.6653833682.

It can be divided in two parts, 260 and 9001, that added together give a cube (9261 = 213).

The spelling of 2609001 in words is "two million, six hundred nine thousand, one".

Divisors: 1 3 9 289889 869667 2609001