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13361490 = 2335174171
BaseRepresentation
bin110010111110…
…000101010010
3221010211112000
4302332011102
511410031430
61154214430
7221366532
oct62760522
927124460
1013361490
1175a675a
124584416
1329ca90c
141abb4c2
15128de60
hexcbe152

13361490 has 128 divisors (see below), whose sum is σ = 39191040. Its totient is φ = 3225600.

The previous prime is 13361479. The next prime is 13361497. The reversal of 13361490 is 9416331.

13361490 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13361497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188155 + ... + 188225.

It is an arithmetic number, because the mean of its divisors is an integer number (306180).

Almost surely, 213361490 is an apocalyptic number.

13361490 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 13361490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19595520).

13361490 is an abundant number, since it is smaller than the sum of its proper divisors (25829550).

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

13361490 is a wasteful number, since it uses less digits than its factorization.

13361490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13361490 is about 3655.3371937483. The cubic root of 13361490 is about 237.2930200398.

The spelling of 13361490 in words is "thirteen million, three hundred sixty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 41 45 51 54 71 82 85 90 102 123 135 142 153 170 205 213 246 255 270 306 355 369 410 426 459 510 615 639 697 710 738 765 918 1065 1107 1207 1230 1278 1394 1530 1845 1917 2091 2130 2214 2295 2414 2911 3195 3485 3621 3690 3834 4182 4590 5535 5822 6035 6273 6390 6970 7242 8733 9585 10455 10863 11070 12070 12546 14555 17466 18105 18819 19170 20910 21726 26199 29110 31365 32589 36210 37638 43665 49487 52398 54315 62730 65178 78597 87330 94095 98974 108630 130995 148461 157194 162945 188190 247435 261990 296922 325890 392985 445383 494870 742305 785970 890766 1336149 1484610 2226915 2672298 4453830 6680745 13361490