Search a number
-
+
1230250060 = 2251336712893
BaseRepresentation
bin100100101010100…
…0010000001001100
310011201221011211001
41021111002001030
510004421000220
6322024310044
742325644604
oct11125020114
93151834731
101230250060
11581498096
122a4012324
13167b56220
14b9565c04
157301380a
hex4954204c

1230250060 has 48 divisors (see below), whose sum is σ = 2790055296. Its totient is φ = 452973312.

The previous prime is 1230250009. The next prime is 1230250061. The reversal of 1230250060 is 600520321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1230250061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88974 + ... + 101866.

It is an arithmetic number, because the mean of its divisors is an integer number (58126152).

Almost surely, 21230250060 is an apocalyptic number.

1230250060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230250060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395027648).

1230250060 is an abundant number, since it is smaller than the sum of its proper divisors (1559805236).

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

1230250060 is a wasteful number, since it uses less digits than its factorization.

1230250060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282 (or 13280 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1230250060 is about 35074.9206699032. The cubic root of 1230250060 is about 1071.5138730646.

Adding to 1230250060 its reverse (600520321), we get a palindrome (1830770381).

The spelling of 1230250060 in words is "one billion, two hundred thirty million, two hundred fifty thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 367 734 1468 1835 3670 4771 7340 9542 12893 19084 23855 25786 47710 51572 64465 95420 128930 167609 257860 335218 670436 838045 1676090 3352180 4731731 9463462 18926924 23658655 47317310 61512503 94634620 123025006 246050012 307562515 615125030 1230250060