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80863041 = 373850621
BaseRepresentation
bin1001101000111…
…01111101000001
312122011021020110
410310131331001
5131200104131
612005101533
72001216210
oct464357501
9178137213
1080863041
1141710666
12230b78a9
13139a316c
14aa4d077
157174646
hex4d1df41

80863041 has 8 divisors (see below), whose sum is σ = 123219904. Its totient is φ = 46207440.

The previous prime is 80863039. The next prime is 80863051. The reversal of 80863041 is 14036808.

It is a happy number.

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

It is not a de Polignac number, because 80863041 - 21 = 80863039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80863051) 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, 1925290 + ... + 1925331.

It is an arithmetic number, because the mean of its divisors is an integer number (15402488).

Almost surely, 280863041 is an apocalyptic number.

It is an amenable number.

80863041 is a deficient number, since it is larger than the sum of its proper divisors (42356863).

80863041 is a wasteful number, since it uses less digits than its factorization.

80863041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850631.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 80863041 is about 8992.3879475921. The cubic root of 80863041 is about 432.4308704819.

Adding to 80863041 its reverse (14036808), we get a palindrome (94899849).

The spelling of 80863041 in words is "eighty million, eight hundred sixty-three thousand, forty-one".

Divisors: 1 3 7 21 3850621 11551863 26954347 80863041