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16145325 = 345271767
BaseRepresentation
bin111101100101…
…101110101101
31010101021020000
4331211232231
513113122300
61334014513
7254142630
oct75455655
933337200
1016145325
119128249
1254a7439
133463a61
142203c17
15163dc00
hexf65bad

16145325 has 120 divisors (see below), whose sum is σ = 36729792. Its totient is φ = 6842880.

The previous prime is 16145321. The next prime is 16145341. The reversal of 16145325 is 52354161.

It is not a de Polignac number, because 16145325 - 22 = 16145321 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145321) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 240942 + ... + 241008.

Almost surely, 216145325 is an apocalyptic number.

16145325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16145325 is an abundant number, since it is smaller than the sum of its proper divisors (20584467).

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

16145325 is a wasteful number, since it uses less digits than its factorization.

16145325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 99 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 16145325 is about 4018.1245625291. The cubic root of 16145325 is about 252.7448202233.

Adding to 16145325 its reverse (52354161), we get a palindrome (68499486).

The spelling of 16145325 in words is "sixteen million, one hundred forty-five thousand, three hundred twenty-five".

Divisors: 1 3 5 7 9 15 17 21 25 27 35 45 51 63 67 75 81 85 105 119 135 153 175 189 201 225 255 315 335 357 405 425 459 469 525 567 595 603 675 765 945 1005 1071 1139 1275 1377 1407 1575 1675 1785 1809 2025 2295 2345 2835 2975 3015 3213 3417 3825 4221 4725 5025 5355 5427 5695 6885 7035 7973 8925 9045 9639 10251 11475 11725 12663 14175 15075 16065 17085 21105 23919 26775 27135 28475 30753 34425 35175 37989 39865 45225 48195 51255 63315 71757 80325 85425 92259 105525 119595 135675 153765 189945 199325 215271 240975 256275 316575 358785 461295 597975 645813 768825 949725 1076355 1793925 2306475 3229065 5381775 16145325