Search a number
-
+
80442197 = 119775391
BaseRepresentation
bin1001100101101…
…11001101010101
312121100212221122
410302313031111
5131043122242
611552053325
71664514233
oct462671525
9177325848
1080442197
1141453460
1222b34245
1313886744
14a97d953
1570dead2
hex4cb7355

80442197 has 8 divisors (see below), whose sum is σ = 88660992. Its totient is φ = 72374400.

The previous prime is 80442191. The next prime is 80442199. The reversal of 80442197 is 79124408.

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 80442197 - 224 = 63664981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80442191) 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, 36629 + ... + 38762.

It is an arithmetic number, because the mean of its divisors is an integer number (11082624).

Almost surely, 280442197 is an apocalyptic number.

It is an amenable number.

80442197 is a deficient number, since it is larger than the sum of its proper divisors (8218795).

80442197 is a wasteful number, since it uses less digits than its factorization.

80442197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75499.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 80442197 is about 8968.9574087516. The cubic root of 80442197 is about 431.6793835211.

The spelling of 80442197 in words is "eighty million, four hundred forty-two thousand, one hundred ninety-seven".

Divisors: 1 11 97 1067 75391 829301 7312927 80442197