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415303230 = 235531491753
BaseRepresentation
bin11000110000010…
…000011000111110
31001221110120221010
4120300100120332
51322304200410
6105113220050
713202006406
oct3060203076
91057416833
10415303230
111a3478511
12b7101626
136806bc74
143d229806
15266d7c20
hex18c1063e

415303230 has 64 divisors (see below), whose sum is σ = 1022932800. Its totient is φ = 107867136.

The previous prime is 415303223. The next prime is 415303243. The reversal of 415303230 is 32303514.

It is a junction number, because it is equal to n+sod(n) for n = 415303197 and 415303206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236034 + ... + 237786.

It is an arithmetic number, because the mean of its divisors is an integer number (15983325).

Almost surely, 2415303230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 415303230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511466400).

415303230 is an abundant number, since it is smaller than the sum of its proper divisors (607629570).

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

415303230 is a wasteful number, since it uses less digits than its factorization.

415303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 415303230 is about 20378.9899160876. The cubic root of 415303230 is about 746.0852193206.

Adding to 415303230 its reverse (32303514), we get a palindrome (447606744).

The spelling of 415303230 in words is "four hundred fifteen million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 149 159 265 298 318 447 530 745 795 894 1490 1590 1753 2235 3506 4470 5259 7897 8765 10518 15794 17530 23691 26295 39485 47382 52590 78970 92909 118455 185818 236910 261197 278727 464545 522394 557454 783591 929090 1305985 1393635 1567182 2611970 2787270 3917955 7835910 13843441 27686882 41530323 69217205 83060646 138434410 207651615 415303230