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1143000430 = 251113799301
BaseRepresentation
bin100010000100000…
…1100110101101110
32221122202102211021
41010020030311232
54320102003210
6305230244354
740216225525
oct10410146556
92848672737
101143000430
11537215160
1227a9566ba
13152a58120
14abb334bc
156a52bbda
hex4420cd6e

1143000430 has 32 divisors (see below), whose sum is σ = 2417089248. Its totient is φ = 383664000.

The previous prime is 1143000421. The next prime is 1143000437. The reversal of 1143000430 is 340003411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143000437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398221 + ... + 401080.

It is an arithmetic number, because the mean of its divisors is an integer number (75534039).

Almost surely, 21143000430 is an apocalyptic number.

1143000430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143000430 is an abundant number, since it is smaller than the sum of its proper divisors (1274088818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143000430 is a wasteful number, since it uses less digits than its factorization.

1143000430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799332.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1143000430 is about 33808.2893681417. The cubic root of 1143000430 is about 1045.5596096118.

Adding to 1143000430 its reverse (340003411), we get a palindrome (1483003841).

The spelling of 1143000430 in words is "one billion, one hundred forty-three million, four hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 799301 1598602 3996505 7993010 8792311 10390913 17584622 20781826 43961555 51954565 87923110 103909130 114300043 228600086 571500215 1143000430