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1142214 = 23190369
BaseRepresentation
bin100010110110111000110
32011000211020
410112313012
5243022324
640252010
712465033
oct4266706
92130736
101142214
11710187
12471006
1330cb88
1421a38a
15178679
hex116dc6

1142214 has 8 divisors (see below), whose sum is σ = 2284440. Its totient is φ = 380736.

The previous prime is 1142201. The next prime is 1142233. The reversal of 1142214 is 4122411.

It is a sphenic number, since it is the product of 3 distinct primes.

1142214 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1142193 and 1142202.

It is a congruent number.

It is an unprimeable number.

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, 95179 + ... + 95190.

It is an arithmetic number, because the mean of its divisors is an integer number (285555).

21142214 is an apocalyptic number.

1142214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142214 is a wasteful number, since it uses less digits than its factorization.

1142214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190374.

The product of its digits is 64, while the sum is 15.

The square root of 1142214 is about 1068.7441227909. The cubic root of 1142214 is about 104.5319758988.

Adding to 1142214 its reverse (4122411), we get a palindrome (5264625).

The spelling of 1142214 in words is "one million, one hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 190369 380738 571107 1142214