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16289742 = 2371991949
BaseRepresentation
bin111110001000…
…111111001110
31010122121022210
4332020333032
513132232432
61341051250
7255313650
oct76107716
933577283
1016289742
1192167a7
125556b26
1334b4701
1422406d0
15166b8cc
hexf88fce

16289742 has 32 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 4628448.

The previous prime is 16289737. The next prime is 16289761. The reversal of 16289742 is 24798261.

It is a self number, because there is not a number n which added to its sum of digits gives 16289742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7384 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (1170000).

Almost surely, 216289742 is an apocalyptic number.

16289742 is an abundant number, since it is smaller than the sum of its proper divisors (21150258).

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

16289742 is a wasteful number, since it uses less digits than its factorization.

16289742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160.

The product of its digits is 48384, while the sum is 39.

The square root of 16289742 is about 4036.0552523473. The cubic root of 16289742 is about 253.4961699331.

The spelling of 16289742 in words is "sixteen million, two hundred eighty-nine thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 199 398 597 1194 1393 1949 2786 3898 4179 5847 8358 11694 13643 27286 40929 81858 387851 775702 1163553 2327106 2714957 5429914 8144871 16289742