Search a number
-
+
80827834 = 2263315349
BaseRepresentation
bin1001101000101…
…01010110111010
312122002110221111
410310111112322
5131142442314
612004230534
72001011443
oct464252672
9178073844
1080827834
114169716a
122309b44a
1313990129
14aa402ca
157168ec4
hex4d155ba

80827834 has 8 divisors (see below), whose sum is σ = 121295700. Its totient is φ = 40395936.

The previous prime is 80827811. The next prime is 80827837. The reversal of 80827834 is 43872808.

It can be written as a sum of positive squares in 2 ways, for example, as 75082225 + 5745609 = 8665^2 + 2397^2 .

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

It is not an unprimeable number, because it can be changed into a prime (80827837) 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, 2409 + ... + 12940.

Almost surely, 280827834 is an apocalyptic number.

80827834 is a deficient number, since it is larger than the sum of its proper divisors (40467866).

80827834 is a wasteful number, since it uses less digits than its factorization.

80827834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17984.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 80827834 is about 8990.4301343150. The cubic root of 80827834 is about 432.3681026069.

The spelling of 80827834 in words is "eighty million, eight hundred twenty-seven thousand, eight hundred thirty-four".

Divisors: 1 2 2633 5266 15349 30698 40413917 80827834