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1143001430 = 25196015797
BaseRepresentation
bin100010000100000…
…1101000101010110
32221122202111012022
41010020031011112
54320102021210
6305230253142
740216231454
oct10410150526
92848674168
101143001430
1153721598a
1227a9571b2
13152a5870c
14abb339d4
156a52c155
hex4420d156

1143001430 has 16 divisors (see below), whose sum is σ = 2165687280. Its totient is φ = 433137312.

The previous prime is 1143001429. The next prime is 1143001439. The reversal of 1143001430 is 341003411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1143001399 and 1143001408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143001439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007709 + ... + 3008088.

It is an arithmetic number, because the mean of its divisors is an integer number (135355455).

Almost surely, 21143001430 is an apocalyptic number.

1143001430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143001430 is a deficient number, since it is larger than the sum of its proper divisors (1022685850).

1143001430 is a wasteful number, since it uses less digits than its factorization.

1143001430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015823.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1143001430 is about 33808.3041574108. The cubic root of 1143001430 is about 1045.5599145284.

Adding to 1143001430 its reverse (341003411), we get a palindrome (1484004841).

The spelling of 1143001430 in words is "one billion, one hundred forty-three million, one thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 6015797 12031594 30078985 60157970 114300143 228600286 571500715 1143001430