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143073924 = 22372534591
BaseRepresentation
bin10001000011100…
…10001010000100
3100222012220112020
420201302022010
5243111331144
622110323140
73355052100
oct1041621204
9328186466
10143073924
1173841614
123bab94b0
1323845536
1415004900
15c862419
hex8872284

143073924 has 72 divisors (see below), whose sum is σ = 395756928. Its totient is φ = 40098240.

The previous prime is 143073923. The next prime is 143073949. The reversal of 143073924 is 429370341.

It is not an unprimeable number, because it can be changed into a prime (143073923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28869 + ... + 33459.

It is an arithmetic number, because the mean of its divisors is an integer number (5496624).

Almost surely, 2143073924 is an apocalyptic number.

143073924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143073924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197878464).

143073924 is an abundant number, since it is smaller than the sum of its proper divisors (252683004).

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

143073924 is a wasteful number, since it uses less digits than its factorization.

143073924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4656 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 143073924 is about 11961.3512614587. The cubic root of 143073924 is about 523.0222477609.

The spelling of 143073924 in words is "one hundred forty-three million, seventy-three thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 53 84 98 106 147 159 196 212 294 318 371 588 636 742 1113 1484 2226 2597 4452 4591 5194 7791 9182 10388 13773 15582 18364 27546 31164 32137 55092 64274 96411 128548 192822 224959 243323 385644 449918 486646 674877 729969 899836 973292 1349754 1459938 1703261 2699508 2919876 3406522 5109783 6813044 10219566 11922827 20439132 23845654 35768481 47691308 71536962 143073924