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1142443214 = 2111717317657
BaseRepresentation
bin100010000011000…
…0100110011001110
32221121201010110122
41010012010303032
54314431140324
6305210304542
740211415143
oct10406046316
92847633418
101142443214
11536974550
1227a728152
131528c1603
14aba2a3ca
156a46ba5e
hex44184cce

1142443214 has 32 divisors (see below), whose sum is σ = 1990974816. Its totient is φ = 485893120.

The previous prime is 1142443213. The next prime is 1142443223. The reversal of 1142443214 is 4123442411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142443213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55874 + ... + 73530.

It is an arithmetic number, because the mean of its divisors is an integer number (62217963).

Almost surely, 21142443214 is an apocalyptic number.

1142443214 is a deficient number, since it is larger than the sum of its proper divisors (848531602).

1142443214 is a wasteful number, since it uses less digits than its factorization.

1142443214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17860.

The product of its digits is 3072, while the sum is 26.

The square root of 1142443214 is about 33800.0475443453. The cubic root of 1142443214 is about 1045.3896775548.

Adding to 1142443214 its reverse (4123442411), we get a palindrome (5265885625).

The spelling of 1142443214 in words is "one billion, one hundred forty-two million, four hundred forty-three thousand, two hundred fourteen".

Divisors: 1 2 11 17 22 34 173 187 346 374 1903 2941 3806 5882 17657 32351 35314 64702 194227 300169 388454 600338 3054661 3301859 6109322 6603718 33601271 51929237 67202542 103858474 571221607 1142443214