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13449492 = 2232719532
BaseRepresentation
bin110011010011…
…100100010100
3221022022020100
4303103210110
511420340432
61200134100
7222214230
oct63234424
927268210
1013449492
117656891
124607330
132a2b9a4
141b015c0
1512aa07c
hexcd3914

13449492 has 108 divisors (see below), whose sum is σ = 41685280. Its totient is φ = 3571776.

The previous prime is 13449467. The next prime is 13449509. The reversal of 13449492 is 29494431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 253738 + ... + 253790.

Almost surely, 213449492 is an apocalyptic number.

13449492 is a gapful number since it is divisible by the number (12) 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 13449492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20842640).

13449492 is an abundant number, since it is smaller than the sum of its proper divisors (28235788).

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

13449492 is a wasteful number, since it uses less digits than its factorization.

13449492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 84 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13449492 is about 3667.3549051053. The cubic root of 13449492 is about 237.8128368707.

The spelling of 13449492 in words is "thirteen million, four hundred forty-nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 53 57 63 76 84 106 114 126 133 159 171 212 228 252 266 318 342 371 399 477 532 636 684 742 798 954 1007 1113 1197 1484 1596 1908 2014 2226 2394 2809 3021 3339 4028 4452 4788 5618 6042 6678 7049 8427 9063 11236 12084 13356 14098 16854 18126 19663 21147 25281 28196 33708 36252 39326 42294 50562 53371 58989 63441 78652 84588 101124 106742 117978 126882 160113 176967 213484 235956 253764 320226 353934 373597 480339 640452 707868 747194 960678 1120791 1494388 1921356 2241582 3362373 4483164 6724746 13449492