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415201320 = 233251153337
BaseRepresentation
bin11000101111110…
…111100000101000
31001221021102010200
4120233313200220
51322242420240
6105111112200
713201103322
oct3057674050
91057242120
10415201320
111a3408996
12b7072660
1368034771
143d200612
15266b7930
hex18bf7828

415201320 has 48 divisors (see below), whose sum is σ = 1349405460. Its totient is φ = 110720256.

The previous prime is 415201291. The next prime is 415201351. The reversal of 415201320 is 23102514.

It can be written as a sum of positive squares in 2 ways, for example, as 354267684 + 60933636 = 18822^2 + 7806^2 .

It is a super-2 number, since 2×4152013202 = 344784272259484800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 415201293 and 415201302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576309 + ... + 577028.

Almost surely, 2415201320 is an apocalyptic number.

415201320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

415201320 is an abundant number, since it is smaller than the sum of its proper divisors (934204140).

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

415201320 is a wasteful number, since it uses less digits than its factorization.

415201320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153354 (or 1153347 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 415201320 is about 20376.4893934161. The cubic root of 415201320 is about 746.0241877985.

Adding to 415201320 its reverse (23102514), we get a palindrome (438303834).

The spelling of 415201320 in words is "four hundred fifteen million, two hundred one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 1153337 2306674 3460011 4613348 5766685 6920022 9226696 10380033 11533370 13840044 17300055 20760066 23066740 27680088 34600110 41520132 46133480 51900165 69200220 83040264 103800330 138400440 207600660 415201320