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17242428 = 2237205267
BaseRepresentation
bin100000111000…
…1100100111100
31012110000011110
41001301210330
513403224203
61413322020
7266362320
oct101614474
935400143
1017242428
119807545
125936310
133759228
14240b980
1517a8d03
hex107193c

17242428 has 24 divisors (see below), whose sum is σ = 45980032. Its totient is φ = 4926384.

The previous prime is 17242399. The next prime is 17242451. The reversal of 17242428 is 82424271.

It is a junction number, because it is equal to n+sod(n) for n = 17242395 and 17242404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102550 + ... + 102717.

Almost surely, 217242428 is an apocalyptic number.

It is an amenable number.

17242428 is an abundant number, since it is smaller than the sum of its proper divisors (28737604).

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

17242428 is a wasteful number, since it uses less digits than its factorization.

17242428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205281 (or 205279 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 17242428 is about 4152.4002697235. The cubic root of 17242428 is about 258.3446508627.

Adding to 17242428 its reverse (82424271), we get a palindrome (99666699).

The spelling of 17242428 in words is "seventeen million, two hundred forty-two thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 205267 410534 615801 821068 1231602 1436869 2463204 2873738 4310607 5747476 8621214 17242428