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17990348 = 2217772531
BaseRepresentation
bin100010010100…
…0001011001100
31020212000010012
41010220023030
514101142343
61441332352
7305625665
oct104501314
936760105
1017990348
11a178462
1260370b8
13395b79c
14256436c
1518a5718
hex11282cc

17990348 has 12 divisors (see below), whose sum is σ = 31513272. Its totient is φ = 8986560.

The previous prime is 17990327. The next prime is 17990351. The reversal of 17990348 is 84309971.

It is a happy number.

It is a super-2 number, since 2×179903482 = 647305242322208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (2626106).

Almost surely, 217990348 is an apocalyptic number.

It is an amenable number.

17990348 is a deficient number, since it is larger than the sum of its proper divisors (13522924).

17990348 is a wasteful number, since it uses less digits than its factorization.

17990348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312 (or 4310 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 17990348 is about 4241.5030354816. The cubic root of 17990348 is about 262.0272877198.

The spelling of 17990348 in words is "seventeen million, nine hundred ninety thousand, three hundred forty-eight".

Divisors: 1 2 4 1777 2531 3554 5062 7108 10124 4497587 8995174 17990348