Search a number
-
+
12408308 = 2211231827
BaseRepresentation
bin101111010101…
…010111110100
3212100101222222
4233111113310
511134031213
61121541512
7210316553
oct57252764
925311888
1012408308
117005600
1241a4898
132755ac3
14190dd9a
151151808
hexbd55f4

12408308 has 36 divisors (see below), whose sum is σ = 24667776. Its totient is φ = 5451600.

The previous prime is 12408301. The next prime is 12408313. The reversal of 12408308 is 80380421.

It is a super-2 number, since 2×124083082 = 307932214845728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14591 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (685216).

Almost surely, 212408308 is an apocalyptic number.

It is an amenable number.

12408308 is a deficient number, since it is larger than the sum of its proper divisors (12259468).

12408308 is a wasteful number, since it uses less digits than its factorization.

12408308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 12408308 is about 3522.5428315352. The cubic root of 12408308 is about 231.5105864011.

Adding to 12408308 its reverse (80380421), we get a palindrome (92788729).

The spelling of 12408308 in words is "twelve million, four hundred eight thousand, three hundred eight".

Divisors: 1 2 4 11 22 31 44 62 121 124 242 341 484 682 827 1364 1654 3308 3751 7502 9097 15004 18194 25637 36388 51274 100067 102548 200134 282007 400268 564014 1128028 3102077 6204154 12408308