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1144140241 = 7279831601
BaseRepresentation
bin100010000110010…
…0011000111010001
32221201220100100111
41010030203013101
54320344441431
6305310521321
740232013556
oct10414430721
92851810314
101144140241
11537923552
1227b206241
13153066b7a
14abd4ca2d
156a6a47b1
hex443231d1

1144140241 has 8 divisors (see below), whose sum is σ = 1147595904. Its totient is φ = 1140691200.

The previous prime is 1144140199. The next prime is 1144140247. The reversal of 1144140241 is 1420414411.

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 1144140241 - 213 = 1144132049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144140247) 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, 713841 + ... + 715441.

It is an arithmetic number, because the mean of its divisors is an integer number (143449488).

Almost surely, 21144140241 is an apocalyptic number.

It is an amenable number.

1144140241 is a deficient number, since it is larger than the sum of its proper divisors (3455663).

1144140241 is an equidigital number, since it uses as much as digits as its factorization.

1144140241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1144140241 is about 33825.1421430864. The cubic root of 1144140241 is about 1045.9070415095.

Adding to 1144140241 its reverse (1420414411), we get a palindrome (2564554652).

The spelling of 1144140241 in words is "one billion, one hundred forty-four million, one hundred forty thousand, two hundred forty-one".

Divisors: 1 727 983 1601 714641 1163927 1573783 1144140241