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143541242 = 213291271499
BaseRepresentation
bin10001000111001…
…00001111111010
3101000002122120022
420203210033322
5243221304432
622124330442
73362036405
oct1043441772
9330078508
10143541242
1174030729
12400a3a22
132397a160
14150c6d3c
15c905b12
hex88e43fa

143541242 has 32 divisors (see below), whose sum is σ = 241920000. Its totient is φ = 63419328.

The previous prime is 143541239. The next prime is 143541283. The reversal of 143541242 is 242145341.

143541242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95009 + ... + 96507.

It is an arithmetic number, because the mean of its divisors is an integer number (7560000).

Almost surely, 2143541242 is an apocalyptic number.

143541242 is a deficient number, since it is larger than the sum of its proper divisors (98378758).

143541242 is a wasteful number, since it uses less digits than its factorization.

143541242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its digits is 3840, while the sum is 26.

The square root of 143541242 is about 11980.8698348659. The cubic root of 143541242 is about 523.5910727767.

Adding to 143541242 its reverse (242145341), we get a palindrome (385686583).

The spelling of 143541242 in words is "one hundred forty-three million, five hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 13 26 29 58 127 254 377 754 1499 1651 2998 3302 3683 7366 19487 38974 43471 47879 86942 95758 190373 380746 565123 1130246 2474849 4949698 5520817 11041634 71770621 143541242