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17930842 = 220274423
BaseRepresentation
bin100010001100…
…1101001011010
31020201222111021
41010121221122
514042241332
61440153054
7305260336
oct104315132
936658437
1017930842
11a137786
12600878a
13393a687
14254a7c6
151892c97
hex1119a5a

17930842 has 8 divisors (see below), whose sum is σ = 26915616. Its totient is φ = 8958972.

The previous prime is 17930821. The next prime is 17930873. The reversal of 17930842 is 24803971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 17930798 and 17930807.

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 3 ways as a sum of consecutive naturals, for example, 1843 + ... + 6265.

It is an arithmetic number, because the mean of its divisors is an integer number (3364452).

Almost surely, 217930842 is an apocalyptic number.

17930842 is a deficient number, since it is larger than the sum of its proper divisors (8984774).

17930842 is a wasteful number, since it uses less digits than its factorization.

17930842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 17930842 is about 4234.4824949455. The cubic root of 17930842 is about 261.7380693255.

The spelling of 17930842 in words is "seventeen million, nine hundred thirty thousand, eight hundred forty-two".

Divisors: 1 2 2027 4054 4423 8846 8965421 17930842