Search a number
-
+
2069816 = 237231607
BaseRepresentation
bin111111001010100111000
310220011020212
413321110320
51012213231
6112210252
723410310
oct7712470
93804225
102069816
1111940a1
12839988
13576158
143bc440
152ad42b
hex1f9538

2069816 has 32 divisors (see below), whose sum is σ = 4631040. Its totient is φ = 847968.

The previous prime is 2069807. The next prime is 2069819. The reversal of 2069816 is 6189602.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069819) 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, 485 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (144720).

22069816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2069816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315520).

2069816 is an abundant number, since it is smaller than the sum of its proper divisors (2561224).

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

2069816 is a wasteful number, since it uses less digits than its factorization.

2069816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2069816 is about 1438.6855111525. The cubic root of 2069816 is about 127.4414135552.

The spelling of 2069816 in words is "two million, sixty-nine thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 1607 3214 6428 11249 12856 22498 36961 44996 73922 89992 147844 258727 295688 517454 1034908 2069816