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85541180 = 2254277059
BaseRepresentation
bin1010001100101…
…00000100111100
312221221221102212
411012110010330
5133344304210
612253235552
72056042124
oct506240474
9187857385
1085541180
114431639a
1224792bb8
13149505aa
14b509c84
15779a805
hex519413c

85541180 has 12 divisors (see below), whose sum is σ = 179636520. Its totient is φ = 34216464.

The previous prime is 85541179. The next prime is 85541189. The reversal of 85541180 is 8114558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85541189) 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 3 ways as a sum of consecutive naturals, for example, 2138510 + ... + 2138549.

It is an arithmetic number, because the mean of its divisors is an integer number (14969710).

Almost surely, 285541180 is an apocalyptic number.

It is an amenable number.

85541180 is an abundant number, since it is smaller than the sum of its proper divisors (94095340).

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

85541180 is a wasteful number, since it uses less digits than its factorization.

85541180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277068 (or 4277066 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 85541180 is about 9248.8474957694. The cubic root of 85541180 is about 440.6141217910.

The spelling of 85541180 in words is "eighty-five million, five hundred forty-one thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 4277059 8554118 17108236 21385295 42770590 85541180