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2153061 = 34191399
BaseRepresentation
bin1000001101101001100101
311001101110000
420031221211
51022344221
6114051513
724205101
oct10155145
94041400
102153061
111240699
12879b99
135a5001
14400901
152c7e26
hex20da65

2153061 has 20 divisors (see below), whose sum is σ = 3388000. Its totient is φ = 1358856.

The previous prime is 2153059. The next prime is 2153069. The reversal of 2153061 is 1603512.

It is not a de Polignac number, because 2153061 - 21 = 2153059 is a prime.

It is a Duffinian number.

2153061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153069) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 840 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (169400).

22153061 is an apocalyptic number.

It is an amenable number.

2153061 is a deficient number, since it is larger than the sum of its proper divisors (1234939).

2153061 is a wasteful number, since it uses less digits than its factorization.

2153061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2153061 is about 1467.3312509451. The cubic root of 2153061 is about 129.1275104806.

Adding to 2153061 its reverse (1603512), we get a palindrome (3756573).

The spelling of 2153061 in words is "two million, one hundred fifty-three thousand, sixty-one".

Divisors: 1 3 9 19 27 57 81 171 513 1399 1539 4197 12591 26581 37773 79743 113319 239229 717687 2153061