Search a number
-
+
1380703230 = 2325151283359
BaseRepresentation
bin101001001001011…
…1101101111111110
310120020000222202200
41102102331233332
510311430000410
6345001132330
746133532564
oct12222755776
93506028680
101380703230
11649409855
1232648a0a6
1319008347a
14d152ba34
15813323c0
hex524bdbfe

1380703230 has 96 divisors (see below), whose sum is σ = 3636472320. Its totient is φ = 363441600.

The previous prime is 1380703223. The next prime is 1380703231. The reversal of 1380703230 is 323070831.

It is a junction number, because it is equal to n+sod(n) for n = 1380703194 and 1380703203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380703231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3845791 + ... + 3846149.

It is an arithmetic number, because the mean of its divisors is an integer number (37879920).

Almost surely, 21380703230 is an apocalyptic number.

1380703230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380703230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818236160).

1380703230 is an abundant number, since it is smaller than the sum of its proper divisors (2255769090).

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

1380703230 is a wasteful number, since it uses less digits than its factorization.

1380703230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1380703230 is about 37157.8151941150. The cubic root of 1380703230 is about 1113.5253632891.

The spelling of 1380703230 in words is "one billion, three hundred eighty million, seven hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 151 283 302 359 453 566 718 755 849 906 1077 1359 1415 1510 1698 1795 2154 2265 2547 2718 2830 3231 3590 4245 4530 5094 5385 6462 6795 8490 10770 12735 13590 16155 25470 32310 42733 54209 85466 101597 108418 128199 162627 203194 213665 256398 271045 304791 325254 384597 427330 487881 507985 542090 609582 640995 769194 813135 914373 975762 1015970 1281990 1523955 1626270 1828746 1922985 2439405 3047910 3845970 4571865 4878810 9143730 15341147 30682294 46023441 76705735 92046882 138070323 153411470 230117205 276140646 460234410 690351615 1380703230