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1144142241 = 31131012837
BaseRepresentation
bin100010000110010…
…0011100110100001
32221201220110002120
41010030203212201
54320400022431
6305310534453
740232022444
oct10414434641
92851813076
101144142241
11537925000
1227b207429
13153067a58
14abd4d65b
156a6a5196
hex443239a1

1144142241 has 32 divisors (see below), whose sum is σ = 1695171456. Its totient is φ = 686312000.

The previous prime is 1144142189. The next prime is 1144142261. The reversal of 1144142241 is 1422414411.

It is not a de Polignac number, because 1144142241 - 213 = 1144134049 is a prime.

It is a super-2 number, since 2×11441422412 = 2618122935281004162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144142261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401875 + ... + 404711.

It is an arithmetic number, because the mean of its divisors is an integer number (52974108).

Almost surely, 21144142241 is an apocalyptic number.

1144142241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144142241 is a deficient number, since it is larger than the sum of its proper divisors (551029215).

1144142241 is a wasteful number, since it uses less digits than its factorization.

1144142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2952 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 1144142241 is about 33825.1717068813. The cubic root of 1144142241 is about 1045.9076509373.

Adding to 1144142241 its reverse (1422414411), we get a palindrome (2566556652).

The spelling of 1144142241 in words is "one billion, one hundred forty-four million, one hundred forty-two thousand, two hundred forty-one".

Divisors: 1 3 11 33 101 121 303 363 1111 1331 2837 3333 3993 8511 12221 31207 36663 93621 134431 286537 343277 403293 859611 1029831 3151907 3776047 9455721 11328141 34670977 104012931 381380747 1144142241