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13330140 = 22352947163
BaseRepresentation
bin110010110110…
…011011011100
3221002020111220
4302312123130
511403031030
61153413340
7221206245
oct62663334
927066456
1013330140
11758514a
12456a250
1329b9575
141aadccc
151284a10
hexcb66dc

13330140 has 96 divisors (see below), whose sum is σ = 39674880. Its totient is φ = 3338496.

The previous prime is 13330139. The next prime is 13330171. The reversal of 13330140 is 4103331.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 81699 + ... + 81861.

It is an arithmetic number, because the mean of its divisors is an integer number (413280).

Almost surely, 213330140 is an apocalyptic number.

13330140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13330140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19837440).

13330140 is an abundant number, since it is smaller than the sum of its proper divisors (26344740).

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

13330140 is a wasteful number, since it uses less digits than its factorization.

13330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13330140 is about 3651.0464253416. The cubic root of 13330140 is about 237.1072882113.

Adding to 13330140 its reverse (4103331), we get a palindrome (17433471).

The spelling of 13330140 in words is "thirteen million, three hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 47 58 60 87 94 116 141 145 163 174 188 235 282 290 326 348 435 470 489 564 580 652 705 815 870 940 978 1363 1410 1630 1740 1956 2445 2726 2820 3260 4089 4727 4890 5452 6815 7661 8178 9454 9780 13630 14181 15322 16356 18908 20445 22983 23635 27260 28362 30644 38305 40890 45966 47270 56724 70905 76610 81780 91932 94540 114915 141810 153220 222169 229830 283620 444338 459660 666507 888676 1110845 1333014 2221690 2666028 3332535 4443380 6665070 13330140