Search a number
-
+
16830730 = 257298291
BaseRepresentation
bin100000000110…
…1000100001010
31011200002102101
41000031010022
513302040410
61400424014
7263026120
oct100150412
934602371
1016830730
1195561a4
12577800a
133643a17
142341910
151726d3a
hex100d10a

16830730 has 32 divisors (see below), whose sum is σ = 35821440. Its totient is φ = 5570880.

The previous prime is 16830721. The next prime is 16830739. The reversal of 16830730 is 3703861.

It is an interprime number because it is at equal distance from previous prime (16830721) and next prime (16830739).

It is not an unprimeable number, because it can be changed into a prime (16830739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116 + ... + 6175.

It is an arithmetic number, because the mean of its divisors is an integer number (1119420).

Almost surely, 216830730 is an apocalyptic number.

16830730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16830730 is an abundant number, since it is smaller than the sum of its proper divisors (18990710).

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

16830730 is a wasteful number, since it uses less digits than its factorization.

16830730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16830730 is about 4102.5272698667. The cubic root of 16830730 is about 256.2718973951.

The spelling of 16830730 in words is "sixteen million, eight hundred thirty thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 8291 16582 41455 58037 82910 116074 240439 290185 480878 580370 1202195 1683073 2404390 3366146 8415365 16830730