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80228417 = 483116607
BaseRepresentation
bin1001100100000…
…11000001000001
312120222000200212
410302003001001
5131014302132
611543323505
71662634043
oct462030101
9176860625
1080228417
1141317885
1222a50595
1313810349
14a925a93
15709b5b2
hex4c83041

80228417 has 4 divisors (see below), whose sum is σ = 80249856. Its totient is φ = 80206980.

The previous prime is 80228399. The next prime is 80228419. The reversal of 80228417 is 71482208.

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 80228417 - 26 = 80228353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80228419) 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, 3473 + ... + 13134.

It is an arithmetic number, because the mean of its divisors is an integer number (20062464).

Almost surely, 280228417 is an apocalyptic number.

It is an amenable number.

80228417 is a deficient number, since it is larger than the sum of its proper divisors (21439).

80228417 is a wasteful number, since it uses less digits than its factorization.

80228417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 80228417 is about 8957.0317069886. The cubic root of 80228417 is about 431.2966395822.

The spelling of 80228417 in words is "eighty million, two hundred twenty-eight thousand, four hundred seventeen".

Divisors: 1 4831 16607 80228417