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143004820 = 22571021463
BaseRepresentation
bin10001000011000…
…01010010010100
3100222002101201211
420201201102110
5243102123240
622105031204
73354343450
oct1041412224
9328071654
10143004820
11737a4702
123ba85504
132381cc4a
1414dc7660
15c84bbea
hex8861494

143004820 has 24 divisors (see below), whose sum is σ = 343211904. Its totient is φ = 49030176.

The previous prime is 143004817. The next prime is 143004871. The reversal of 143004820 is 28400341.

143004820 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

143004820 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 143004791 and 143004800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510592 + ... + 510871.

It is an arithmetic number, because the mean of its divisors is an integer number (14300496).

Almost surely, 2143004820 is an apocalyptic number.

143004820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143004820 is an abundant number, since it is smaller than the sum of its proper divisors (200207084).

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

143004820 is a wasteful number, since it uses less digits than its factorization.

143004820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021479 (or 1021477 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 143004820 is about 11958.4622757276. The cubic root of 143004820 is about 522.9380284778.

The spelling of 143004820 in words is "one hundred forty-three million, four thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1021463 2042926 4085852 5107315 7150241 10214630 14300482 20429260 28600964 35751205 71502410 143004820