Search a number
-
+
80238697 = 7112345307
BaseRepresentation
bin1001100100001…
…01100001101001
312120222112210121
410302011201221
5131020114242
611543443241
71663006030
oct462054151
9176875717
1080238697
1141324580
1222a56521
1313814c26
14a929717
15709e667
hex4c85869

80238697 has 16 divisors (see below), whose sum is σ = 104389632. Its totient is φ = 59803920.

The previous prime is 80238677. The next prime is 80238709. The reversal of 80238697 is 79683208.

It is not a de Polignac number, because 80238697 - 27 = 80238569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80238617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20883 + ... + 24424.

It is an arithmetic number, because the mean of its divisors is an integer number (6524352).

Almost surely, 280238697 is an apocalyptic number.

It is an amenable number.

80238697 is a deficient number, since it is larger than the sum of its proper divisors (24150935).

80238697 is a wasteful number, since it uses less digits than its factorization.

80238697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45348.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 80238697 is about 8957.6055394285. The cubic root of 80238697 is about 431.3150600716.

The spelling of 80238697 in words is "eighty million, two hundred thirty-eight thousand, six hundred ninety-seven".

Divisors: 1 7 11 23 77 161 253 1771 45307 317149 498377 1042061 3488639 7294427 11462671 80238697