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85281652 = 22192774051
BaseRepresentation
bin1010001010101…
…00101101110100
312221110202102201
411011110231310
5133313003102
612243514244
72053611361
oct505245564
9187422381
1085281652
1144159405
1224688984
131488c421
14b47d468
157748987
hex5154b74

85281652 has 24 divisors (see below), whose sum is σ = 157703840. Its totient is φ = 40240800.

The previous prime is 85281619. The next prime is 85281659. The reversal of 85281652 is 25618258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85281659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19027 + ... + 23077.

Almost surely, 285281652 is an apocalyptic number.

It is an amenable number.

85281652 is a deficient number, since it is larger than the sum of its proper divisors (72422188).

85281652 is a wasteful number, since it uses less digits than its factorization.

85281652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4349 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 85281652 is about 9234.8065491379. The cubic root of 85281652 is about 440.1680694022.

The spelling of 85281652 in words is "eighty-five million, two hundred eighty-one thousand, six hundred fifty-two".

Divisors: 1 2 4 19 38 76 277 554 1108 4051 5263 8102 10526 16204 21052 76969 153938 307876 1122127 2244254 4488508 21320413 42640826 85281652