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85451041 = 1355711801
BaseRepresentation
bin1010001011111…
…10000100100001
312221210100210101
411011332010201
5133333413131
612251302401
72055215254
oct505760441
9187710711
1085451041
11442646a5
122474aa01
131491b560
14b4c509b
15777dc61
hex517e121

85451041 has 8 divisors (see below), whose sum is σ = 92197224. Its totient is φ = 78729600.

The previous prime is 85451039. The next prime is 85451071. The reversal of 85451041 is 14015458.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 85377600 = 271^2 + 9240^2 .

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 85451041 - 21 = 85451039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85451021) 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, 1341 + ... + 13141.

It is an arithmetic number, because the mean of its divisors is an integer number (11524653).

Almost surely, 285451041 is an apocalyptic number.

It is an amenable number.

85451041 is a deficient number, since it is larger than the sum of its proper divisors (6746183).

85451041 is a wasteful number, since it uses less digits than its factorization.

85451041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 85451041 is about 9243.9732258375. The cubic root of 85451041 is about 440.4593017191.

Adding to 85451041 its reverse (14015458), we get a palindrome (99466499).

The spelling of 85451041 in words is "eighty-five million, four hundred fifty-one thousand, forty-one".

Divisors: 1 13 557 7241 11801 153413 6573157 85451041