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16969446 = 23313231051
BaseRepresentation
bin100000010111…
…0111011100110
31011221010201000
41000232323212
513321010241
61403414130
7264144414
oct100567346
934833630
1016969446
11964043a
125824346
133691bc0
14237a2b4
151752eb6
hex102eee6

16969446 has 64 divisors (see below), whose sum is σ = 42416640. Its totient is φ = 4989600.

The previous prime is 16969429. The next prime is 16969481. The reversal of 16969446 is 64496961.

It is a super-4 number, since 4×169694464 (a number of 30 digits) contains 4444 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 15621 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (662760).

Almost surely, 216969446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16969446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21208320).

16969446 is an abundant number, since it is smaller than the sum of its proper divisors (25447194).

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

16969446 is a wasteful number, since it uses less digits than its factorization.

16969446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1092 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 16969446 is about 4119.3987425351. The cubic root of 16969446 is about 256.9740217096.

The spelling of 16969446 in words is "sixteen million, nine hundred sixty-nine thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 13 18 23 26 27 39 46 54 69 78 117 138 207 234 299 351 414 598 621 702 897 1051 1242 1794 2102 2691 3153 5382 6306 8073 9459 13663 16146 18918 24173 27326 28377 40989 48346 56754 72519 81978 122967 145038 217557 245934 314249 368901 435114 628498 652671 737802 942747 1305342 1885494 2828241 5656482 8484723 16969446