Search a number
-
+
16628230 = 251987517
BaseRepresentation
bin111111011011…
…101000000110
31011021210122101
4333123220012
513224100410
61352222314
7261223543
oct77335006
934253571
1016628230
119428043
12569a99a
1335a27b8
1422cbbca
1516d6d3a
hexfdba06

16628230 has 16 divisors (see below), whose sum is σ = 31506480. Its totient is φ = 6301152.

The previous prime is 16628221. The next prime is 16628233. The reversal of 16628230 is 3282661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16628233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43569 + ... + 43948.

It is an arithmetic number, because the mean of its divisors is an integer number (1969155).

Almost surely, 216628230 is an apocalyptic number.

16628230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16628230 is a deficient number, since it is larger than the sum of its proper divisors (14878250).

16628230 is a wasteful number, since it uses less digits than its factorization.

16628230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87543.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16628230 is about 4077.7726763516. The cubic root of 16628230 is about 255.2399637856.

The spelling of 16628230 in words is "sixteen million, six hundred twenty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 87517 175034 437585 875170 1662823 3325646 8314115 16628230