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80630411 = 293189689
BaseRepresentation
bin1001100111001…
…01001010001011
312121201110010112
410303211022023
5131120133121
612000104535
71666230041
oct463451213
9177643115
1080630411
1141571904
122300514b
1313921304
14a9cc391
15712a75b
hex4ce528b

80630411 has 8 divisors (see below), whose sum is σ = 86102400. Its totient is φ = 75337920.

The previous prime is 80630401. The next prime is 80630423. The reversal of 80630411 is 11403608.

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 80630411 - 210 = 80629387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80630401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43946 + ... + 45743.

It is an arithmetic number, because the mean of its divisors is an integer number (10762800).

Almost surely, 280630411 is an apocalyptic number.

80630411 is a deficient number, since it is larger than the sum of its proper divisors (5471989).

80630411 is a wasteful number, since it uses less digits than its factorization.

80630411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89749.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 80630411 is about 8979.4438023744. The cubic root of 80630411 is about 432.0157941042.

The spelling of 80630411 in words is "eighty million, six hundred thirty thousand, four hundred eleven".

Divisors: 1 29 31 899 89689 2600981 2780359 80630411