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13242474 = 233753661
BaseRepresentation
bin110010100001…
…000001101010
3220220210021000
4302201001222
511342224344
61151455430
7220362540
oct62410152
926823230
1013242474
1175252a3
124527576
1329886ab
141a89d90
151268a69
hexca106a

13242474 has 64 divisors (see below), whose sum is σ = 34318080. Its totient is φ = 3706560.

The previous prime is 13242443. The next prime is 13242497. The reversal of 13242474 is 47424231.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19704 + ... + 20364.

It is an arithmetic number, because the mean of its divisors is an integer number (536220).

Almost surely, 213242474 is an apocalyptic number.

13242474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13242474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17159040).

13242474 is an abundant number, since it is smaller than the sum of its proper divisors (21075606).

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

13242474 is a wasteful number, since it uses less digits than its factorization.

13242474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 726 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 13242474 is about 3639.0210221981. The cubic root of 13242474 is about 236.5863639039.

The spelling of 13242474 in words is "thirteen million, two hundred forty-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 53 54 63 106 126 159 189 318 371 378 477 661 742 954 1113 1322 1431 1983 2226 2862 3339 3966 4627 5949 6678 9254 10017 11898 13881 17847 20034 27762 35033 35694 41643 70066 83286 105099 124929 210198 245231 249858 315297 490462 630594 735693 945891 1471386 1891782 2207079 4414158 6621237 13242474