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1144423241 = 13307286751
BaseRepresentation
bin100010000110110…
…1000001101001001
32221202102201112222
41010031220031021
54320433020431
6305320543425
740234302623
oct10415501511
92852381488
101144423241
11537aa7135
1227b321b75
13153135920
14abdc3c13
156a70d57b
hex44368349

1144423241 has 8 divisors (see below), whose sum is σ = 1236474624. Its totient is φ = 1052946000.

The previous prime is 1144423229. The next prime is 1144423243. The reversal of 1144423241 is 1423244411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144423241 - 222 = 1140228937 is a prime.

It is a super-3 number, since 3×11444232413 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144423241.

It is not an unprimeable number, because it can be changed into a prime (1144423243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139385 + ... + 147366.

It is an arithmetic number, because the mean of its divisors is an integer number (154559328).

Almost surely, 21144423241 is an apocalyptic number.

It is an amenable number.

1144423241 is a deficient number, since it is larger than the sum of its proper divisors (92051383).

1144423241 is a wasteful number, since it uses less digits than its factorization.

1144423241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287071.

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

The square root of 1144423241 is about 33829.3251632367. The cubic root of 1144423241 is about 1045.9932684949.

Adding to 1144423241 its reverse (1423244411), we get a palindrome (2567667652).

The spelling of 1144423241 in words is "one billion, one hundred forty-four million, four hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 13 307 3991 286751 3727763 88032557 1144423241