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13350540 = 22357219239
BaseRepresentation
bin110010111011…
…011010001100
3221010021111110
4302323122030
511404204130
61154052020
7221322600
oct62733214
927107443
1013350540
117599505
12457a010
1329c5938
141ab7500
15128aab0
hexcbb68c

13350540 has 144 divisors (see below), whose sum is σ = 45964800. Its totient is φ = 2878848.

The previous prime is 13350529. The next prime is 13350581. The reversal of 13350540 is 4505331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55741 + ... + 55979.

It is an arithmetic number, because the mean of its divisors is an integer number (319200).

Almost surely, 213350540 is an apocalyptic number.

13350540 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 13350540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22982400).

13350540 is an abundant number, since it is smaller than the sum of its proper divisors (32614260).

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

13350540 is a wasteful number, since it uses less digits than its factorization.

13350540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13350540 is about 3653.8390769162. The cubic root of 13350540 is about 237.2281802479.

Adding to 13350540 its reverse (4505331), we get a palindrome (17855871).

The spelling of 13350540 in words is "thirteen million, three hundred fifty thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 49 57 60 70 76 84 95 98 105 114 133 140 147 190 196 210 228 239 245 266 285 294 380 399 420 478 490 532 570 588 665 717 735 798 931 956 980 1140 1195 1330 1434 1470 1596 1673 1862 1995 2390 2660 2793 2868 2940 3346 3585 3724 3990 4541 4655 4780 5019 5586 6692 7170 7980 8365 9082 9310 10038 11172 11711 13623 13965 14340 16730 18164 18620 20076 22705 23422 25095 27246 27930 31787 33460 35133 45410 46844 50190 54492 55860 58555 63574 68115 70266 90820 95361 100380 117110 127148 136230 140532 158935 175665 190722 222509 234220 272460 317870 351330 381444 445018 476805 635740 667527 702660 890036 953610 1112545 1335054 1907220 2225090 2670108 3337635 4450180 6675270 13350540