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2173214 = 21086607
BaseRepresentation
bin1000010010100100011110
311002102002102
420102210132
51024020324
6114325102
724320621
oct10224436
94072072
102173214
11125484a
12889792
135b1234
14407db8
152cddae
hex21291e

2173214 has 4 divisors (see below), whose sum is σ = 3259824. Its totient is φ = 1086606.

The previous prime is 2173207. The next prime is 2173219. The reversal of 2173214 is 4123712.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543302 + ... + 543305.

It is an arithmetic number, because the mean of its divisors is an integer number (814956).

22173214 is an apocalyptic number.

2173214 is a deficient number, since it is larger than the sum of its proper divisors (1086610).

2173214 is a wasteful number, since it uses less digits than its factorization.

2173214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086609.

The product of its digits is 336, while the sum is 20.

The square root of 2173214 is about 1474.1824853118. The cubic root of 2173214 is about 129.5291447648.

Adding to 2173214 its reverse (4123712), we get a palindrome (6296926).

The spelling of 2173214 in words is "two million, one hundred seventy-three thousand, two hundred fourteen".

Divisors: 1 2 1086607 2173214