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80301345 = 355353423
BaseRepresentation
bin1001100100101…
…00110100100001
312121002201201220
410302110310201
5131024120340
611545045253
71663356465
oct462246441
9177081656
1080301345
1141367653
1222a86829
13138375b7
14a9444a5
1570b2ed0
hex4c94d21

80301345 has 8 divisors (see below), whose sum is σ = 128482176. Its totient is φ = 42827376.

The previous prime is 80301343. The next prime is 80301379. The reversal of 80301345 is 54310308.

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

It is not a de Polignac number, because 80301345 - 21 = 80301343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80301343) 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 7 ways as a sum of consecutive naturals, for example, 2676697 + ... + 2676726.

It is an arithmetic number, because the mean of its divisors is an integer number (16060272).

Almost surely, 280301345 is an apocalyptic number.

It is an amenable number.

80301345 is a deficient number, since it is larger than the sum of its proper divisors (48180831).

80301345 is a wasteful number, since it uses less digits than its factorization.

80301345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353431.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 80301345 is about 8961.1017737776. The cubic root of 80301345 is about 431.4272835478.

The spelling of 80301345 in words is "eighty million, three hundred one thousand, three hundred forty-five".

Divisors: 1 3 5 15 5353423 16060269 26767115 80301345