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16903994 = 244319079
BaseRepresentation
bin100000001111…
…0111100111010
31011210210220212
41000132330322
513311411434
61402151122
7263452532
oct100367472
934723825
1016903994
1195a6248
1257b24a2
13366b183
1423604c2
15173d8ce
hex101ef3a

16903994 has 8 divisors (see below), whose sum is σ = 25414560. Its totient is φ = 8432476.

The previous prime is 16903969. The next prime is 16904039. The reversal of 16903994 is 49930961.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8654 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (3176820).

Almost surely, 216903994 is an apocalyptic number.

16903994 is a deficient number, since it is larger than the sum of its proper divisors (8510566).

16903994 is a wasteful number, since it uses less digits than its factorization.

16903994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19524.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 16903994 is about 4111.4467040204. The cubic root of 16903994 is about 256.6432088155.

The spelling of 16903994 in words is "sixteen million, nine hundred three thousand, nine hundred ninety-four".

Divisors: 1 2 443 886 19079 38158 8451997 16903994