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304220485 = 5431414979
BaseRepresentation
bin10010001000100…
…000100101000101
3210012110000001101
4102020200211011
51110340023420
650104300101
710352555122
oct2210404505
9705400041
10304220485
111467a7398
1285a71631
134b047b2a
142c591749
151ba9460a
hex12220945

304220485 has 8 divisors (see below), whose sum is σ = 373554720. Its totient is φ = 237716304.

The previous prime is 304220473. The next prime is 304220489. The reversal of 304220485 is 584022403.

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 304220485 - 221 = 302123333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304220489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707275 + ... + 707704.

It is an arithmetic number, because the mean of its divisors is an integer number (46694340).

Almost surely, 2304220485 is an apocalyptic number.

It is an amenable number.

304220485 is a deficient number, since it is larger than the sum of its proper divisors (69334235).

304220485 is a wasteful number, since it uses less digits than its factorization.

304220485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415027.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 304220485 is about 17441.9174691317. The cubic root of 304220485 is about 672.5576002220.

Adding to 304220485 its reverse (584022403), we get a palindrome (888242888).

The spelling of 304220485 in words is "three hundred four million, two hundred twenty thousand, four hundred eighty-five".

Divisors: 1 5 43 215 1414979 7074895 60844097 304220485