Search a number
-
+
16993030 = 2517195261
BaseRepresentation
bin100000011010…
…0101100000110
31011222100001111
41000310230012
513322234110
61404115234
7264303235
oct100645406
934870044
1016993030
11965712a
125835b1a
13369c862
142384b1c
151759e8a
hex1034b06

16993030 has 32 divisors (see below), whose sum is σ = 34097760. Its totient is φ = 6059520.

The previous prime is 16992967. The next prime is 16993033. The reversal of 16993030 is 3039961.

It is a junction number, because it is equal to n+sod(n) for n = 16992983 and 16993001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16993033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (1065555).

Almost surely, 216993030 is an apocalyptic number.

16993030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16993030 is an abundant number, since it is smaller than the sum of its proper divisors (17104730).

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

16993030 is a wasteful number, since it uses less digits than its factorization.

16993030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 16993030 is about 4122.2603023099. The cubic root of 16993030 is about 257.0930134137.

The spelling of 16993030 in words is "sixteen million, nine hundred ninety-three thousand, thirty".

Divisors: 1 2 5 10 17 19 34 38 85 95 170 190 323 646 1615 3230 5261 10522 26305 52610 89437 99959 178874 199918 447185 499795 894370 999590 1699303 3398606 8496515 16993030