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16880682 = 2371343719
BaseRepresentation
bin100000001100…
…1010000101010
31011202121221110
41000121100222
513310140212
61401451150
7263324550
oct100312052
934677843
1016880682
11958a785
1257a0ab6
133660690
142355bd0
151736a3c
hex101942a

16880682 has 64 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 4342464.

The previous prime is 16880681. The next prime is 16880687. The reversal of 16880682 is 28608861.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 16880682.

It is not an unprimeable number, because it can be changed into a prime (16880681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23119 + ... + 23837.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 216880682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16880682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21288960).

16880682 is an abundant number, since it is smaller than the sum of its proper divisors (25697238).

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

16880682 is a wasteful number, since it uses less digits than its factorization.

16880682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 16880682 is about 4108.6107140979. The cubic root of 16880682 is about 256.5251771660.

The spelling of 16880682 in words is "sixteen million, eight hundred eighty thousand, six hundred eighty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 43 78 86 91 129 182 258 273 301 546 559 602 719 903 1118 1438 1677 1806 2157 3354 3913 4314 5033 7826 9347 10066 11739 15099 18694 23478 28041 30198 30917 56082 61834 65429 92751 130858 185502 196287 216419 392574 401921 432838 649257 803842 1205763 1298514 2411526 2813447 5626894 8440341 16880682