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1142540214 = 23190423369
BaseRepresentation
bin100010000011001…
…1100011110110110
32221121220001112020
41010012130132312
54314442241324
6305212334010
740212301014
oct10406343666
92847801466
101142540214
11536a30412
1227a774306
131529267ca
14aba538b4
156a48a679
hex4419c7b6

1142540214 has 8 divisors (see below), whose sum is σ = 2285080440. Its totient is φ = 380846736.

The previous prime is 1142540209. The next prime is 1142540219. The reversal of 1142540214 is 4120452411.

It is an interprime number because it is at equal distance from previous prime (1142540209) and next prime (1142540219).

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

1142540214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142540219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95211679 + ... + 95211690.

It is an arithmetic number, because the mean of its divisors is an integer number (285635055).

Almost surely, 21142540214 is an apocalyptic number.

1142540214 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.

1142540214 is a wasteful number, since it uses less digits than its factorization.

1142540214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190423374.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1142540214 is about 33801.4824231127. The cubic root of 1142540214 is about 1045.4192632497.

Adding to 1142540214 its reverse (4120452411), we get a palindrome (5262992625).

The spelling of 1142540214 in words is "one billion, one hundred forty-two million, five hundred forty thousand, two hundred fourteen".

Divisors: 1 2 3 6 190423369 380846738 571270107 1142540214