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143430100 = 2252111011291
BaseRepresentation
bin10001000110010…
…01000111010100
3100222220000002221
420203021013110
5243204230400
622122112124
73361064362
oct1043110724
9328800087
10143430100
1173a65180
124004b644
132393b6a8
1415098632
15c8d2c1a
hex88c91d4

143430100 has 72 divisors (see below), whose sum is σ = 343165536. Its totient is φ = 51600000.

The previous prime is 143430017. The next prime is 143430101. The reversal of 143430100 is 1034341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143430101) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 110455 + ... + 111745.

It is an arithmetic number, because the mean of its divisors is an integer number (4766188).

Almost surely, 2143430100 is an apocalyptic number.

143430100 is a gapful number since it is divisible by the number (10) 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 143430100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171582768).

143430100 is an abundant number, since it is smaller than the sum of its proper divisors (199735436).

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

143430100 is a wasteful number, since it uses less digits than its factorization.

143430100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 143430100 is about 11976.2306257019. The cubic root of 143430100 is about 523.4559014397.

Adding to 143430100 its reverse (1034341), we get a palindrome (144464441).

The spelling of 143430100 in words is "one hundred forty-three million, four hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 1291 2020 2222 2525 2582 4444 5050 5164 5555 6455 10100 11110 12910 14201 22220 25820 27775 28402 32275 55550 56804 64550 71005 111100 129100 130391 142010 260782 284020 355025 521564 651955 710050 1303910 1420100 1434301 2607820 2868602 3259775 5737204 6519550 7171505 13039100 14343010 28686020 35857525 71715050 143430100