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85849149 = 369141413
BaseRepresentation
bin1010001110111…
…11010000111101
312222112120220010
411013133100331
5133434133044
612304013433
72061464031
oct507372075
9188476803
1085849149
1144506811
1224901279
1314a2a819
14b58a1c1
15780bbb9
hex51df43d

85849149 has 8 divisors (see below), whose sum is σ = 114633952. Its totient is φ = 57148560.

The previous prime is 85849129. The next prime is 85849187. The reversal of 85849149 is 94194858.

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

It is not a de Polignac number, because 85849149 - 25 = 85849117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85849098 and 85849107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85849129) 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, 18634 + ... + 22779.

It is an arithmetic number, because the mean of its divisors is an integer number (14329244).

Almost surely, 285849149 is an apocalyptic number.

It is an amenable number.

85849149 is a deficient number, since it is larger than the sum of its proper divisors (28784803).

85849149 is a wasteful number, since it uses less digits than its factorization.

85849149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42107.

The product of its digits is 414720, while the sum is 48.

The square root of 85849149 is about 9265.4815848935. The cubic root of 85849149 is about 441.1422610640.

The spelling of 85849149 in words is "eighty-five million, eight hundred forty-nine thousand, one hundred forty-nine".

Divisors: 1 3 691 2073 41413 124239 28616383 85849149