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80838241 = 117348931
BaseRepresentation
bin1001101000101…
…11111001100001
312122010000012221
410310113321201
5131143310431
612004351041
72001054001
oct464277141
9178100187
1080838241
11416a3a70
12230a5481
1313994aa3
14aa44001
15716c111
hex4d17e61

80838241 has 4 divisors (see below), whose sum is σ = 88187184. Its totient is φ = 73489300.

The previous prime is 80838223. The next prime is 80838253. The reversal of 80838241 is 14283808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80838241 - 25 = 80838209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80838197 and 80838206.

It is not an unprimeable number, because it can be changed into a prime (80838221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674455 + ... + 3674476.

It is an arithmetic number, because the mean of its divisors is an integer number (22046796).

Almost surely, 280838241 is an apocalyptic number.

It is an amenable number.

80838241 is a deficient number, since it is larger than the sum of its proper divisors (7348943).

80838241 is a wasteful number, since it uses less digits than its factorization.

80838241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348942.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 80838241 is about 8991.0088977823. The cubic root of 80838241 is about 432.3866583507.

The spelling of 80838241 in words is "eighty million, eight hundred thirty-eight thousand, two hundred forty-one".

Divisors: 1 11 7348931 80838241