Search a number
-
+
1252590 = 23543971
BaseRepresentation
bin100110001110011101110
32100122020020
410301303232
5310040330
642503010
713434603
oct4616356
92318206
101252590
117860a9
12504a66
1334b1a1
142486aa
1519b210
hex131cee

1252590 has 32 divisors (see below), whose sum is σ = 3079296. Its totient is φ = 325920.

The previous prime is 1252579. The next prime is 1252609. The reversal of 1252590 is 952521.

1252590 = T24 + T25 + ... + T195.

It is a self number, because there is not a number n which added to its sum of digits gives 1252590.

It is a congruent number.

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, 805 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (96228).

21252590 is an apocalyptic number.

1252590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539648).

1252590 is an abundant number, since it is smaller than the sum of its proper divisors (1826706).

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

1252590 is a wasteful number, since it uses less digits than its factorization.

1252590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1252590 is about 1119.1916725923. The cubic root of 1252590 is about 107.7960829865.

The spelling of 1252590 in words is "one million, two hundred fifty-two thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 971 1290 1942 2913 4855 5826 9710 14565 29130 41753 83506 125259 208765 250518 417530 626295 1252590