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85550412 = 22331322777
BaseRepresentation
bin1010001100101…
…10010101001100
312221222102002210
411012112111030
5133400103122
612253350420
72056111053
oct506262514
9187872083
1085550412
1144322322
1224798410
131495485c
14b50d39a
15779d40c
hex519654c

85550412 has 24 divisors (see below), whose sum is σ = 200264176. Its totient is φ = 28424448.

The previous prime is 85550383. The next prime is 85550419. The reversal of 85550412 is 21405558.

It is a self number, because there is not a number n which added to its sum of digits gives 85550412.

It is not an unprimeable number, because it can be changed into a prime (85550419) 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, 7633 + ... + 15144.

Almost surely, 285550412 is an apocalyptic number.

It is an amenable number.

85550412 is an abundant number, since it is smaller than the sum of its proper divisors (114713764).

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

85550412 is a wasteful number, since it uses less digits than its factorization.

85550412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23097 (or 23095 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 85550412 is about 9249.3465715152. The cubic root of 85550412 is about 440.6299722592.

The spelling of 85550412 in words is "eighty-five million, five hundred fifty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 313 626 939 1252 1878 3756 22777 45554 68331 91108 136662 273324 7129201 14258402 21387603 28516804 42775206 85550412