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85534949 = 294496569
BaseRepresentation
bin1010001100100…
…10100011100101
312221221121220002
411012102203211
5133344104244
612253151045
72056015013
oct506224345
9187847802
1085534949
1144311745
122478b485
131494a7c6
14b5078b3
157798a4e
hex51928e5

85534949 has 8 divisors (see below), whose sum is σ = 88695000. Its totient is φ = 82388992.

The previous prime is 85534931. The next prime is 85534961. The reversal of 85534949 is 94943558.

It can be written as a sum of positive squares in 4 ways, for example, as 34869025 + 50665924 = 5905^2 + 7118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85534949 - 28 = 85534693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85534049) 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, 9737 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (11086875).

Almost surely, 285534949 is an apocalyptic number.

It is an amenable number.

85534949 is a deficient number, since it is larger than the sum of its proper divisors (3160051).

85534949 is a wasteful number, since it uses less digits than its factorization.

85534949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047.

The product of its digits is 777600, while the sum is 47.

The square root of 85534949 is about 9248.5106368539. The cubic root of 85534949 is about 440.6034231106.

The spelling of 85534949 in words is "eighty-five million, five hundred thirty-four thousand, nine hundred forty-nine".

Divisors: 1 29 449 6569 13021 190501 2949481 85534949