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80412303 = 3173154937
BaseRepresentation
bin1001100101011…
…11111010001111
312121022100221110
410302233322033
5131041143203
611551303103
71664331126
oct462577217
9177270843
1080412303
1141432a54
1222b1aa93
1313875c5a
14a972abd
1570d5d03
hex4cafe8f

80412303 has 8 divisors (see below), whose sum is σ = 107836848. Its totient is φ = 53297984.

The previous prime is 80412281. The next prime is 80412373. The reversal of 80412303 is 30321408.

It is a happy number.

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 80412303 - 25 = 80412271 is a prime.

It is a super-2 number, since 2×804123032 = 12932276947527618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80412303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80412373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76950 + ... + 77987.

It is an arithmetic number, because the mean of its divisors is an integer number (13479606).

Almost surely, 280412303 is an apocalyptic number.

80412303 is a deficient number, since it is larger than the sum of its proper divisors (27424545).

80412303 is a wasteful number, since it uses less digits than its factorization.

80412303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155113.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 80412303 is about 8967.2907279735. The cubic root of 80412303 is about 431.6259032050.

The spelling of 80412303 in words is "eighty million, four hundred twelve thousand, three hundred three".

Divisors: 1 3 173 519 154937 464811 26804101 80412303