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85019552 = 252656861
BaseRepresentation
bin1010001000101…
…00101110100000
312220222102220022
411010110232200
5133231111202
612234133012
72051440262
oct504245640
9186872808
1085019552
1143a9a4a2
1224581168
13147ca037
14b411b32
1576e5ea2
hex5114ba0

85019552 has 12 divisors (see below), whose sum is σ = 167382306. Its totient is φ = 42509760.

The previous prime is 85019551. The next prime is 85019573. The reversal of 85019552 is 25591058.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 3225616 = 9044^2 + 1796^2 .

It is not an unprimeable number, because it can be changed into a prime (85019551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328399 + ... + 1328462.

Almost surely, 285019552 is an apocalyptic number.

It is an amenable number.

85019552 is a deficient number, since it is larger than the sum of its proper divisors (82362754).

85019552 is a wasteful number, since it uses less digits than its factorization.

85019552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656871 (or 2656863 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 85019552 is about 9220.6047524010. The cubic root of 85019552 is about 439.7166771072.

It can be divided in two parts, 850 and 19552, that added together give a palindrome (20402).

The spelling of 85019552 in words is "eighty-five million, nineteen thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 32 2656861 5313722 10627444 21254888 42509776 85019552