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13492908 = 223211132621
BaseRepresentation
bin110011011110…
…001010101100
3221101111210100
4303132022230
511423233113
61201111100
7222454632
oct63361254
927344710
1013492908
117686470
124628490
132a45690
141b13352
1512b7d73
hexcde2ac

13492908 has 72 divisors (see below), whose sum is σ = 40085136. Its totient is φ = 3772800.

The previous prime is 13492891. The next prime is 13492933. The reversal of 13492908 is 80929431.

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

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 23 ways as a sum of consecutive naturals, for example, 3838 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (556738).

Almost surely, 213492908 is an apocalyptic number.

13492908 is a gapful number since it is divisible by the number (18) 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 13492908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20042568).

13492908 is an abundant number, since it is smaller than the sum of its proper divisors (26592228).

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

13492908 is a wasteful number, since it uses less digits than its factorization.

13492908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 13492908 is about 3673.2693884331. The cubic root of 13492908 is about 238.0684547574.

It can be divided in two parts, 13492 and 908, that added together give a square (14400 = 1202).

The spelling of 13492908 in words is "thirteen million, four hundred ninety-two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 99 117 132 143 156 198 234 286 396 429 468 572 858 1287 1716 2574 2621 5148 5242 7863 10484 15726 23589 28831 31452 34073 47178 57662 68146 86493 94356 102219 115324 136292 172986 204438 259479 306657 345972 374803 408876 518958 613314 749606 1037916 1124409 1226628 1499212 2248818 3373227 4497636 6746454 13492908