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40680192 = 283722347
BaseRepresentation
bin1001101100101…
…1101100000000
32211112202201210
42123023230000
540403231232
64011530120
71002530100
oct233135400
984482653
1040680192
1120a656a3
1211759940
138574327
14558d200
1538885cc
hex26cbb00

40680192 has 216 divisors, whose sum is σ = 134217216. Its totient is φ = 10881024.

The previous prime is 40680187. The next prime is 40680251. The reversal of 40680192 is 29108604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865513 + ... + 865559.

It is an arithmetic number, because the mean of its divisors is an integer number (621376).

Almost surely, 240680192 is an apocalyptic number.

40680192 is a gapful number since it is divisible by the number (42) 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 40680192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67108608).

40680192 is an abundant number, since it is smaller than the sum of its proper divisors (93537024).

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

40680192 is a wasteful number, since it uses less digits than its factorization.

40680192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 40680192 is about 6378.1025391569. The cubic root of 40680192 is about 343.9228238623.

Adding to 40680192 its reverse (29108604), we get a palindrome (69788796).

The spelling of 40680192 in words is "forty million, six hundred eighty thousand, one hundred ninety-two".