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143032242 = 2370933623
BaseRepresentation
bin10001000011001…
…11111110110010
3100222010210100110
420201213332302
5243104012432
622105402150
73354516423
oct1041477662
9328123313
10143032242
1173813271
123ba99356
132382c582
1414dd364a
15c854dcc
hex8867fb2

143032242 has 16 divisors (see below), whose sum is σ = 286476480. Its totient is φ = 47608752.

The previous prime is 143032207. The next prime is 143032243. The reversal of 143032242 is 242230341.

It is not an unprimeable number, because it can be changed into a prime (143032243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12558 + ... + 21065.

It is an arithmetic number, because the mean of its divisors is an integer number (17904780).

Almost surely, 2143032242 is an apocalyptic number.

143032242 is an abundant number, since it is smaller than the sum of its proper divisors (143444238).

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

143032242 is a wasteful number, since it uses less digits than its factorization.

143032242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34337.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 143032242 is about 11959.6087728654. The cubic root of 143032242 is about 522.9714518038.

Adding to 143032242 its reverse (242230341), we get a palindrome (385262583).

It can be divided in two parts, 14303224 and 2, that added together give a triangular number (14303226 = T5348).

The spelling of 143032242 in words is "one hundred forty-three million, thirty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 709 1418 2127 4254 33623 67246 100869 201738 23838707 47677414 71516121 143032242