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185080041 = 3243478243
BaseRepresentation
bin10110000100000…
…01100011101001
3110220021001002100
423002001203221
5334340030131
630210524013
74405103646
oct1302014351
9426231070
10185080041
1195522413
1251b96609
132c462223
141a81adcd
15113ad7e6
hexb0818e9

185080041 has 12 divisors (see below), whose sum is σ = 273555568. Its totient is φ = 120516984.

The previous prime is 185080033. The next prime is 185080067. The reversal of 185080041 is 140080581.

It is not a de Polignac number, because 185080041 - 23 = 185080033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 185079987 and 185080014.

It is not an unprimeable number, because it can be changed into a prime (185080541) 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, 238735 + ... + 239508.

Almost surely, 2185080041 is an apocalyptic number.

It is an amenable number.

185080041 is a deficient number, since it is larger than the sum of its proper divisors (88475527).

185080041 is a wasteful number, since it uses less digits than its factorization.

185080041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478292 (or 478289 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 185080041 is about 13604.4125562260. The cubic root of 185080041 is about 569.8840853859.

The spelling of 185080041 in words is "one hundred eighty-five million, eighty thousand, forty-one".

Divisors: 1 3 9 43 129 387 478243 1434729 4304187 20564449 61693347 185080041