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12416140 = 2251156437
BaseRepresentation
bin101111010111…
…010010001100
3212100210202001
4233113102030
511134304030
61122042044
7210351442
oct57272214
925323661
1012416140
117010480
1241a9324
132759539
141912b92
151153cca
hexbd748c

12416140 has 24 divisors (see below), whose sum is σ = 28444752. Its totient is φ = 4514880.

The previous prime is 12416119. The next prime is 12416143. The reversal of 12416140 is 4161421.

It is not an unprimeable number, because it can be changed into a prime (12416143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27999 + ... + 28438.

It is an arithmetic number, because the mean of its divisors is an integer number (1185198).

Almost surely, 212416140 is an apocalyptic number.

12416140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12416140 is an abundant number, since it is smaller than the sum of its proper divisors (16028612).

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

12416140 is a wasteful number, since it uses less digits than its factorization.

12416140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56457 (or 56455 counting only the distinct ones).

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

The square root of 12416140 is about 3523.6543530829. The cubic root of 12416140 is about 231.5592852126.

Adding to 12416140 its reverse (4161421), we get a palindrome (16577561).

It can be divided in two parts, 1241 and 6140, that added together give a triangular number (7381 = T121).

The spelling of 12416140 in words is "twelve million, four hundred sixteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 56437 112874 225748 282185 564370 620807 1128740 1241614 2483228 3104035 6208070 12416140