Search a number
-
+
1412403140 = 225173408209
BaseRepresentation
bin101010000101111…
…1000111111000100
310122102200111212102
41110023320333010
510343033400030
6352052411232
750000141261
oct12413707704
93572614772
101412403140
116652a0425
12335016b18
13196802105
14d5820268
1583ee4c45
hex542f8fc4

1412403140 has 24 divisors (see below), whose sum is σ = 2983198680. Its totient is φ = 561694208.

The previous prime is 1412403119. The next prime is 1412403193. The reversal of 1412403140 is 413042141.

It can be written as a sum of positive squares in 4 ways, for example, as 245360896 + 1167042244 = 15664^2 + 34162^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200645 + ... + 207564.

It is an arithmetic number, because the mean of its divisors is an integer number (124299945).

Almost surely, 21412403140 is an apocalyptic number.

1412403140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1412403140 is an abundant number, since it is smaller than the sum of its proper divisors (1570795540).

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

1412403140 is a wasteful number, since it uses less digits than its factorization.

1412403140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408391 (or 408389 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1412403140 is about 37581.9523175686. The cubic root of 1412403140 is about 1121.9828660443.

Adding to 1412403140 its reverse (413042141), we get a palindrome (1825445281).

The spelling of 1412403140 in words is "one billion, four hundred twelve million, four hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 408209 816418 1632836 2041045 4082090 8164180 70620157 141240314 282480628 353100785 706201570 1412403140