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1144012343 = 1579724517
BaseRepresentation
bin100010000110000…
…0011111000110111
32221201122211220112
41010030003320313
54320331343333
6305304053235
740230641645
oct10414037067
92851584815
101144012343
11537846451
1227b16421b
131530208a6
14abd18195
156a67b948
hex44303e37

1144012343 has 4 divisors (see below), whose sum is σ = 1144738440. Its totient is φ = 1143286248.

The previous prime is 1144012333. The next prime is 1144012379. The reversal of 1144012343 is 3432104411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3432104411 = 5364756687.

It is a cyclic number.

It is not a de Polignac number, because 1144012343 - 24 = 1144012327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144012333) 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, 360680 + ... + 363837.

It is an arithmetic number, because the mean of its divisors is an integer number (286184610).

Almost surely, 21144012343 is an apocalyptic number.

1144012343 is a deficient number, since it is larger than the sum of its proper divisors (726097).

1144012343 is an equidigital number, since it uses as much as digits as its factorization.

1144012343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726096.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1144012343 is about 33823.2515143060. The cubic root of 1144012343 is about 1045.8680677314.

Adding to 1144012343 its reverse (3432104411), we get a palindrome (4576116754).

The spelling of 1144012343 in words is "one billion, one hundred forty-four million, twelve thousand, three hundred forty-three".

Divisors: 1 1579 724517 1144012343