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155542041 = 3267257947
BaseRepresentation
bin10010100010101…
…10001000011001
3101211200100120100
421101112020121
5304304321131
623233450013
73566041224
oct1121261031
9354610510
10155542041
117a888046
1244110909
13262bc615
141692c5bb
15d9c67e6
hex9456219

155542041 has 12 divisors (see below), whose sum is σ = 228026032. Its totient is φ = 102146616.

The previous prime is 155542033. The next prime is 155542063. The reversal of 155542041 is 140245551.

It is not a de Polignac number, because 155542041 - 23 = 155542033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155541996 and 155542014.

It is not an unprimeable number, because it can be changed into a prime (155542001) 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 11 ways as a sum of consecutive naturals, for example, 128371 + ... + 129576.

Almost surely, 2155542041 is an apocalyptic number.

It is an amenable number.

155542041 is a deficient number, since it is larger than the sum of its proper divisors (72483991).

155542041 is a wasteful number, since it uses less digits than its factorization.

155542041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258020 (or 258017 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 155542041 is about 12471.6494899432. The cubic root of 155542041 is about 537.7939733873.

Adding to 155542041 its reverse (140245551), we get a palindrome (295787592).

The spelling of 155542041 in words is "one hundred fifty-five million, five hundred forty-two thousand, forty-one".

Divisors: 1 3 9 67 201 603 257947 773841 2321523 17282449 51847347 155542041