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1141245223 = 1861613243
BaseRepresentation
bin100010000000110…
…0000010100100111
32221112110021010121
41010001200110213
54314124321343
6305124502411
740165265356
oct10401402447
92845407117
101141245223
11536226478
1227a24aa07
13152592241
14ab7d799d
156a2d1aed
hex44060527

1141245223 has 4 divisors (see below), whose sum is σ = 1141860328. Its totient is φ = 1140630120.

The previous prime is 1141245221. The next prime is 1141245233. The reversal of 1141245223 is 3225421411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225421411 = 3823984349.

It is a cyclic number.

It is not a de Polignac number, because 1141245223 - 21 = 1141245221 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 (1141245221) 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, 304761 + ... + 308482.

It is an arithmetic number, because the mean of its divisors is an integer number (285465082).

Almost surely, 21141245223 is an apocalyptic number.

1141245223 is a deficient number, since it is larger than the sum of its proper divisors (615105).

1141245223 is an equidigital number, since it uses as much as digits as its factorization.

1141245223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615104.

The product of its digits is 1920, while the sum is 25.

The square root of 1141245223 is about 33782.3211606307. The cubic root of 1141245223 is about 1045.0241435781.

Adding to 1141245223 its reverse (3225421411), we get a palindrome (4366666634).

The spelling of 1141245223 in words is "one billion, one hundred forty-one million, two hundred forty-five thousand, two hundred twenty-three".

Divisors: 1 1861 613243 1141245223