Search a number
-
+
1013252250 = 235313110313
BaseRepresentation
bin111100011001010…
…000000010011010
32121121121112210010
4330121100002122
54033343033000
6244313302350
734052334123
oct7431200232
92547545703
101013252250
1147aa5545a
122434049b6
13131bca15a
14987db04a
155de4cd50
hex3c65009a

1013252250 has 64 divisors (see below), whose sum is σ = 2548630656. Its totient is φ = 268112000.

The previous prime is 1013252249. The next prime is 1013252263. The reversal of 1013252250 is 522523101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93094 + ... + 103406.

It is an arithmetic number, because the mean of its divisors is an integer number (39822354).

Almost surely, 21013252250 is an apocalyptic number.

1013252250 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 1013252250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274315328).

1013252250 is an abundant number, since it is smaller than the sum of its proper divisors (1535378406).

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

1013252250 is a wasteful number, since it uses less digits than its factorization.

1013252250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464 (or 10454 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1013252250 is about 31831.6234270261. The cubic root of 1013252250 is about 1004.3980455056.

Adding to 1013252250 its reverse (522523101), we get a palindrome (1535775351).

The spelling of 1013252250 in words is "one billion, thirteen million, two hundred fifty-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 131 150 250 262 375 393 655 750 786 1310 1965 3275 3930 6550 9825 10313 16375 19650 20626 30939 32750 49125 51565 61878 98250 103130 154695 257825 309390 515650 773475 1289125 1351003 1546950 2578250 2702006 3867375 4053009 6755015 7734750 8106018 13510030 20265045 33775075 40530090 67550150 101325225 168875375 202650450 337750750 506626125 1013252250