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1144664241 = 3754507821
BaseRepresentation
bin100010000111010…
…0011000010110001
32221202212222010220
41010032203002301
54321013223431
6305330043253
740236325350
oct10416430261
92852788126
101144664241
11538151206
1227b419529
131531bb526
14ac047997
156a759b96
hex443a30b1

1144664241 has 8 divisors (see below), whose sum is σ = 1744250304. Its totient is φ = 654093840.

The previous prime is 1144664237. The next prime is 1144664293. The reversal of 1144664241 is 1424664411.

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

It is not a de Polignac number, because 1144664241 - 22 = 1144664237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144664221) 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, 27253890 + ... + 27253931.

It is an arithmetic number, because the mean of its divisors is an integer number (218031288).

Almost surely, 21144664241 is an apocalyptic number.

It is an amenable number.

1144664241 is a deficient number, since it is larger than the sum of its proper divisors (599586063).

1144664241 is an equidigital number, since it uses as much as digits as its factorization.

1144664241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54507831.

The product of its digits is 18432, while the sum is 33.

The square root of 1144664241 is about 33832.8869740671. The cubic root of 1144664241 is about 1046.0666873361.

The spelling of 1144664241 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred forty-one".

Divisors: 1 3 7 21 54507821 163523463 381554747 1144664241