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80036417 = 194212443
BaseRepresentation
bin1001100010101…
…00001001000001
312120121021022202
410301110021001
5130442131132
611535242545
71661204216
oct461241101
9176537282
1080036417
11411a65aa
1222979455
1313773b36
14a8b5b0d
15705e762
hex4c54241

80036417 has 4 divisors (see below), whose sum is σ = 84248880. Its totient is φ = 75823956.

The previous prime is 80036399. The next prime is 80036419. The reversal of 80036417 is 71463008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80036417 - 210 = 80035393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80036417.

It is not an unprimeable number, because it can be changed into a prime (80036419) 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, 2106203 + ... + 2106240.

It is an arithmetic number, because the mean of its divisors is an integer number (21062220).

Almost surely, 280036417 is an apocalyptic number.

It is an amenable number.

80036417 is a deficient number, since it is larger than the sum of its proper divisors (4212463).

80036417 is a wasteful number, since it uses less digits than its factorization.

80036417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212462.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 80036417 is about 8946.3074505631. The cubic root of 80036417 is about 430.9523097948.

The spelling of 80036417 in words is "eighty million, thirty-six thousand, four hundred seventeen".

Divisors: 1 19 4212443 80036417