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143669484 = 22337593221
BaseRepresentation
bin10001001000000…
…11100011101100
3101000100011111000
420210003203230
5243234410414
622131200300
73363112320
oct1044034354
9330304430
10143669484
1174109012
1240146090
13239c363a
141511b980
15c92db09
hex89038ec

143669484 has 96 divisors (see below), whose sum is σ = 433036800. Its totient is φ = 40340160.

The previous prime is 143669473. The next prime is 143669497. The reversal of 143669484 is 484966341.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 42994 + ... + 46214.

It is an arithmetic number, because the mean of its divisors is an integer number (4510800).

Almost surely, 2143669484 is an apocalyptic number.

143669484 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 143669484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216518400).

143669484 is an abundant number, since it is smaller than the sum of its proper divisors (289367316).

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

143669484 is a wasteful number, since it uses less digits than its factorization.

143669484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300 (or 3292 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 143669484 is about 11986.2205886593. The cubic root of 143669484 is about 523.7469545261.

The spelling of 143669484 in words is "one hundred forty-three million, six hundred sixty-nine thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 59 63 84 108 118 126 177 189 236 252 354 378 413 531 708 756 826 1062 1239 1593 1652 2124 2478 3186 3221 3717 4956 6372 6442 7434 9663 11151 12884 14868 19326 22302 22547 28989 38652 44604 45094 57978 67641 86967 90188 115956 135282 173934 190039 202923 270564 347868 380078 405846 570117 608769 760156 811692 1140234 1217538 1330273 1710351 2280468 2435076 2660546 3420702 3990819 5131053 5321092 6841404 7981638 10262106 11972457 15963276 20524212 23944914 35917371 47889828 71834742 143669484