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415030420 = 225719914897
BaseRepresentation
bin11000101111001…
…101110010010100
31001220221201201001
4120233031302110
51322221433140
6105103313044
713166462140
oct3057156224
91056851631
10415030420
111a3301552
12b6bab784
1367ca4a3c
143d198220
1526681e9a
hex18bcdc94

415030420 has 48 divisors (see below), whose sum is σ = 1001145600. Its totient is φ = 141571584.

The previous prime is 415030417. The next prime is 415030489. The reversal of 415030420 is 24030514.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20412 + ... + 35308.

It is an arithmetic number, because the mean of its divisors is an integer number (20857200).

Almost surely, 2415030420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 415030420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500572800).

415030420 is an abundant number, since it is smaller than the sum of its proper divisors (586115180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

415030420 is a wasteful number, since it uses less digits than its factorization.

415030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112 (or 15110 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 415030420 is about 20372.2954033167. The cubic root of 415030420 is about 745.9218173545.

Adding to 415030420 its reverse (24030514), we get a palindrome (439060934).

The spelling of 415030420 in words is "four hundred fifteen million, thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 199 398 796 995 1393 1990 2786 3980 5572 6965 13930 14897 27860 29794 59588 74485 104279 148970 208558 297940 417116 521395 1042790 2085580 2964503 5929006 11858012 14822515 20751521 29645030 41503042 59290060 83006084 103757605 207515210 415030420