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2152141 = 6135281
BaseRepresentation
bin1000001101011011001101
311001100011221
420031123031
51022332031
6114043341
724202315
oct10153315
94040157
102152141
11123aa32
12879551
135a4774
14400445
152c7a11
hex20d6cd

2152141 has 4 divisors (see below), whose sum is σ = 2187484. Its totient is φ = 2116800.

The previous prime is 2152127. The next prime is 2152153. The reversal of 2152141 is 1412512.

2152141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 206116 + 1946025 = 454^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152141 - 29 = 2151629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17580 + ... + 17701.

It is an arithmetic number, because the mean of its divisors is an integer number (546871).

22152141 is an apocalyptic number.

It is an amenable number.

2152141 is a deficient number, since it is larger than the sum of its proper divisors (35343).

2152141 is an equidigital number, since it uses as much as digits as its factorization.

2152141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35342.

The product of its digits is 80, while the sum is 16.

The square root of 2152141 is about 1467.0177231377. The cubic root of 2152141 is about 129.1091158579.

Adding to 2152141 its reverse (1412512), we get a palindrome (3564653).

The spelling of 2152141 in words is "two million, one hundred fifty-two thousand, one hundred forty-one".

Divisors: 1 61 35281 2152141