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13448790 = 2325237389
BaseRepresentation
bin110011010011…
…011001010110
3221022021021100
4303103121112
511420330130
61200130530
7222212205
oct63233126
927267240
1013448790
117656303
124606a46
132a2b584
141b0123c
1512a9c60
hexcd3656

13448790 has 96 divisors (see below), whose sum is σ = 37402560. Its totient is φ = 3345408.

The previous prime is 13448783. The next prime is 13448791. The reversal of 13448790 is 9784431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13448791) by changing a digit.

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, 151066 + ... + 151154.

It is an arithmetic number, because the mean of its divisors is an integer number (389610).

Almost surely, 213448790 is an apocalyptic number.

13448790 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 13448790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18701280).

13448790 is an abundant number, since it is smaller than the sum of its proper divisors (23953770).

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

13448790 is a wasteful number, since it uses less digits than its factorization.

13448790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13448790 is about 3667.2591945484. The cubic root of 13448790 is about 237.8086992295.

The spelling of 13448790 in words is "thirteen million, four hundred forty-eight thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 73 89 90 115 138 146 178 207 219 230 267 345 365 414 438 445 534 657 690 730 801 890 1035 1095 1314 1335 1602 1679 2047 2070 2190 2670 3285 3358 4005 4094 5037 6141 6497 6570 8010 8395 10074 10235 12282 12994 15111 16790 18423 19491 20470 25185 30222 30705 32485 36846 38982 50370 58473 61410 64970 75555 92115 97455 116946 149431 151110 184230 194910 292365 298862 448293 584730 747155 896586 1344879 1494310 2241465 2689758 4482930 6724395 13448790