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2152207 = 5993593
BaseRepresentation
bin1000001101011100001111
311001100021101
420031130033
51022332312
6114043531
724202441
oct10153417
94040241
102152207
11123aa92
128795a7
135a47c5
14400491
152c7a57
hex20d70f

2152207 has 4 divisors (see below), whose sum is σ = 2156400. Its totient is φ = 2148016.

The previous prime is 2152201. The next prime is 2152211. The reversal of 2152207 is 7022512.

2152207 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 is a cyclic number.

It is not a de Polignac number, because 2152207 - 27 = 2152079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152201) 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, 1198 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (539100).

22152207 is an apocalyptic number.

2152207 is the 1198-th pentagonal number.

2152207 is a deficient number, since it is larger than the sum of its proper divisors (4193).

2152207 is an equidigital number, since it uses as much as digits as its factorization.

2152207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2152207 is about 1467.0402175810. The cubic root of 2152207 is about 129.1104356467.

Adding to 2152207 its reverse (7022512), we get a palindrome (9174719).

The spelling of 2152207 in words is "two million, one hundred fifty-two thousand, two hundred seven".

Divisors: 1 599 3593 2152207