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143463424 = 210132829
BaseRepresentation
bin10001000110100…
…01010000000000
3100222221200211011
420203101100000
5243211312144
622122530304
73361263466
oct1043212000
9328850734
10143463424
1173a88215
1240066994
1323950900
14150a6836
15c8dca34
hex88d1400

143463424 has 66 divisors (see below), whose sum is σ = 310918830. Its totient is φ = 66134016.

The previous prime is 143463413. The next prime is 143463431. The reversal of 143463424 is 424364341.

It can be written as a sum of positive squares in 3 ways, for example, as 230400 + 143233024 = 480^2 + 11968^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172642 + ... + 173470.

Almost surely, 2143463424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143463424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155459415).

143463424 is an abundant number, since it is smaller than the sum of its proper divisors (167455406).

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

143463424 is an equidigital number, since it uses as much as digits as its factorization.

143463424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 844 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 143463424 is about 11977.6218006748. The cubic root of 143463424 is about 523.4964375468.

The spelling of 143463424 in words is "one hundred forty-three million, four hundred sixty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 169 208 256 338 416 512 676 829 832 1024 1352 1658 1664 2704 3316 3328 5408 6632 6656 10777 10816 13264 13312 21554 21632 26528 43108 43264 53056 86216 86528 106112 140101 172432 173056 212224 280202 344864 424448 560404 689728 848896 1120808 1379456 2241616 2758912 4483232 5517824 8966464 11035648 17932928 35865856 71731712 143463424