Search a number
-
+
2869090 = 257172411
BaseRepresentation
bin1010111100011101100010
312101202122121
422330131202
51213302330
6141254454
733246460
oct12743542
95352577
102869090
11168a654
12b6442a
13795bb3
14549830
153ba17a
hex2bc762

2869090 has 32 divisors (see below), whose sum is σ = 6251904. Its totient is φ = 925440.

The previous prime is 2869079. The next prime is 2869103. The reversal of 2869090 is 909682.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (195372).

22869090 is an apocalyptic number.

2869090 is an abundant number, since it is smaller than the sum of its proper divisors (3382814).

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

2869090 is a wasteful number, since it uses less digits than its factorization.

2869090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2869090 is about 1693.8388353087. The cubic root of 2869090 is about 142.0958487975.

It can be divided in two parts, 2 and 869090, that multiplied together give a triangular number (1738180 = T1864).

The spelling of 2869090 in words is "two million, eight hundred sixty-nine thousand, ninety".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 2411 4822 12055 16877 24110 33754 40987 81974 84385 168770 204935 286909 409870 573818 1434545 2869090