Search a number
-
+
1306038 = 231091997
BaseRepresentation
bin100111110110110110110
32110100112210
410332312312
5313243123
643554250
714046456
oct4766666
92410483
101306038
11812278
1252b986
13369606
1425dd66
151abe93
hex13edb6

1306038 has 16 divisors (see below), whose sum is σ = 2637360. Its totient is φ = 431136.

The previous prime is 1306033. The next prime is 1306051. The reversal of 1306038 is 8306031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306033) 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, 345 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (164835).

21306038 is an apocalyptic number.

1306038 is an abundant number, since it is smaller than the sum of its proper divisors (1331322).

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

1306038 is a wasteful number, since it uses less digits than its factorization.

1306038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1306038 is about 1142.8201958313. The cubic root of 1306038 is about 109.3079973847.

The spelling of 1306038 in words is "one million, three hundred six thousand, thirty-eight".

Divisors: 1 2 3 6 109 218 327 654 1997 3994 5991 11982 217673 435346 653019 1306038