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13550208 = 2737712
BaseRepresentation
bin110011101100…
…001010000000
3221111102101120
4303230022000
511432101313
61202232240
7223113660
oct63541200
927442346
1013550208
117715521
124655680
132a65799
141b2a1a0
1512c9d23
hexcec280

13550208 has 96 divisors (see below), whose sum is σ = 41722080. Its totient is φ = 3816960.

The previous prime is 13550183. The next prime is 13550219. The reversal of 13550208 is 80205531.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190813 + ... + 190883.

It is an arithmetic number, because the mean of its divisors is an integer number (434605).

Almost surely, 213550208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13550208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20861040).

13550208 is an abundant number, since it is smaller than the sum of its proper divisors (28171872).

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

13550208 is an frugal number, since it uses more digits than its factorization.

13550208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 13550208 is about 3681.0607166957. The cubic root of 13550208 is about 238.4049786507.

Adding to 13550208 its reverse (80205531), we get a palindrome (93755739).

The spelling of 13550208 in words is "thirteen million, five hundred fifty thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 71 84 96 112 128 142 168 192 213 224 284 336 384 426 448 497 568 672 852 896 994 1136 1344 1491 1704 1988 2272 2688 2982 3408 3976 4544 5041 5964 6816 7952 9088 10082 11928 13632 15123 15904 20164 23856 27264 30246 31808 35287 40328 47712 60492 63616 70574 80656 95424 105861 120984 141148 161312 190848 211722 241968 282296 322624 423444 483936 564592 645248 846888 967872 1129184 1693776 1935744 2258368 3387552 4516736 6775104 13550208