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14890986 = 2331124353
BaseRepresentation
bin111000110011…
…011111101010
31001000112121000
4320303133222
512303002421
61251055430
7240366645
oct70633752
931015530
1014890986
118450900
124ba1576
133114b46
141d98a5c
151492226
hexe337ea

14890986 has 96 divisors (see below), whose sum is σ = 37920960. Its totient is φ = 4324320.

The previous prime is 14890957. The next prime is 14891011. The reversal of 14890986 is 68909841.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280936 + ... + 280988.

It is an arithmetic number, because the mean of its divisors is an integer number (395010).

Almost surely, 214890986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14890986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18960480).

14890986 is an abundant number, since it is smaller than the sum of its proper divisors (23029974).

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

14890986 is a wasteful number, since it uses less digits than its factorization.

14890986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 14890986 is about 3858.8840355730. The cubic root of 14890986 is about 246.0223061272.

It can be divided in two parts, 14890 and 986, that added together give a square (15876 = 1262).

The spelling of 14890986 in words is "fourteen million, eight hundred ninety thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 43 53 54 66 86 99 106 121 129 159 198 242 258 297 318 363 387 473 477 583 594 726 774 946 954 1089 1161 1166 1419 1431 1749 2178 2279 2322 2838 2862 3267 3498 4257 4558 5203 5247 6413 6534 6837 8514 10406 10494 12771 12826 13674 15609 15741 19239 20511 25069 25542 31218 31482 38478 41022 46827 50138 57717 61533 75207 93654 115434 123066 140481 150414 173151 225621 275759 280962 346302 451242 551518 676863 827277 1353726 1654554 2481831 4963662 7445493 14890986