Search a number
-
+
16812834 = 2319147481
BaseRepresentation
bin100000000100…
…0101100100010
31011122011212120
41000020230202
513301002314
61400205110
7262623003
oct100105442
934564776
1016812834
119543805
125769796
13363882c
1423391aa
1517218a9
hex1008b22

16812834 has 16 divisors (see below), whose sum is σ = 35395680. Its totient is φ = 5309280.

The previous prime is 16812833. The next prime is 16812877. The reversal of 16812834 is 43821861.

It is a super-2 number, since 2×168128342 = 565342774223112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16812795 and 16812804.

It is not an unprimeable number, because it can be changed into a prime (16812833) 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 7 ways as a sum of consecutive naturals, for example, 73627 + ... + 73854.

It is an arithmetic number, because the mean of its divisors is an integer number (2212230).

Almost surely, 216812834 is an apocalyptic number.

16812834 is an abundant number, since it is smaller than the sum of its proper divisors (18582846).

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

16812834 is a wasteful number, since it uses less digits than its factorization.

16812834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147505.

The product of its digits is 9216, while the sum is 33.

The square root of 16812834 is about 4100.3455951907. The cubic root of 16812834 is about 256.1810344647.

The spelling of 16812834 in words is "sixteen million, eight hundred twelve thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 147481 294962 442443 884886 2802139 5604278 8406417 16812834