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143001404 = 22721356123
BaseRepresentation
bin10001000011000…
…00011100111100
3100222002020001022
420201200130330
5243102021104
622105003312
73354330500
oct1041403474
9328066038
10143001404
11737a2087
123ba83538
132381b520
1414dc6300
15c84abbe
hex886073c

143001404 has 36 divisors (see below), whose sum is σ = 313508664. Its totient is φ = 56570976.

The previous prime is 143001371. The next prime is 143001431. The reversal of 143001404 is 404100341.

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 11 ways as a sum of consecutive naturals, for example, 25514 + ... + 30609.

It is an arithmetic number, because the mean of its divisors is an integer number (8708574).

Almost surely, 2143001404 is an apocalyptic number.

143001404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143001404 is an abundant number, since it is smaller than the sum of its proper divisors (170507260).

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

143001404 is a wasteful number, since it uses less digits than its factorization.

143001404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56154 (or 56145 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 143001404 is about 11958.3194471464. The cubic root of 143001404 is about 522.9338645843.

Adding to 143001404 its reverse (404100341), we get a palindrome (547101745).

The spelling of 143001404 in words is "one hundred forty-three million, one thousand, four hundred four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 56123 112246 224492 392861 729599 785722 1459198 1571444 2750027 2918396 5107193 5500054 10214386 11000108 20428772 35750351 71500702 143001404