Search a number
-
+
12408130 = 2571710427
BaseRepresentation
bin101111010101…
…010101000010
3212100101202101
4233111111002
511134030010
61121541014
7210316210
oct57252502
925311671
1012408130
117005459
1241a476a
1327559b7
14190dcb0
15115173a
hexbd5542

12408130 has 32 divisors (see below), whose sum is σ = 27029376. Its totient is φ = 4003584.

The previous prime is 12408127. The next prime is 12408131. The reversal of 12408130 is 3180421.

12408130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12408098 and 12408107.

It is not an unprimeable number, because it can be changed into a prime (12408131) 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, 4024 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (844668).

Almost surely, 212408130 is an apocalyptic number.

12408130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12408130 is an abundant number, since it is smaller than the sum of its proper divisors (14621246).

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

12408130 is a wasteful number, since it uses less digits than its factorization.

12408130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12408130 is about 3522.5175656056. The cubic root of 12408130 is about 231.5094793718.

Adding to 12408130 its reverse (3180421), we get a palindrome (15588551).

The spelling of 12408130 in words is "twelve million, four hundred eight thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 10427 20854 52135 72989 104270 145978 177259 354518 364945 729890 886295 1240813 1772590 2481626 6204065 12408130