Search a number
-
+
2868930 = 2325127251
BaseRepresentation
bin1010111100011011000010
312101202102200
422330123002
51213301210
6141254030
733246141
oct12743302
95352380
102868930
11168a519
12b64316
13795abc
14549758
153ba0c0
hex2bc6c2

2868930 has 48 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 756000.

The previous prime is 2868919. The next prime is 2868947. The reversal of 2868930 is 398682.

2868930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11305 + ... + 11555.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

22868930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2868930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773952).

2868930 is an abundant number, since it is smaller than the sum of its proper divisors (4678974).

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

2868930 is a wasteful number, since it uses less digits than its factorization.

2868930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2868930 is about 1693.7916046551. The cubic root of 2868930 is about 142.0932073377.

It can be divided in two parts, 286 and 8930, that added together give a square (9216 = 962).

The spelling of 2868930 in words is "two million, eight hundred sixty-eight thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 127 251 254 381 502 635 753 762 1143 1255 1270 1506 1905 2259 2286 2510 3765 3810 4518 5715 7530 11295 11430 22590 31877 63754 95631 159385 191262 286893 318770 478155 573786 956310 1434465 2868930