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40836385 = 523355099
BaseRepresentation
bin1001101111000…
…1110100100001
32211211200222201
42123301310201
540423231020
64015133201
71004050342
oct233616441
984750881
1040836385
1121061a87
1211814201
1385ca455
1455d00c9
1538b9a0a
hex26f1d21

40836385 has 8 divisors (see below), whose sum is σ = 51134400. Its totient is φ = 31248624.

The previous prime is 40836371. The next prime is 40836407. The reversal of 40836385 is 58363804.

40836385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40836385 - 211 = 40834337 is a prime.

It is a super-2 number, since 2×408363852 = 3335220679736450, which contains 22 as substring.

It is an unprimeable number.

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, 177435 + ... + 177664.

It is an arithmetic number, because the mean of its divisors is an integer number (6391800).

Almost surely, 240836385 is an apocalyptic number.

It is an amenable number.

40836385 is a deficient number, since it is larger than the sum of its proper divisors (10298015).

40836385 is a wasteful number, since it uses less digits than its factorization.

40836385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355127.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 40836385 is about 6390.3352807188. The cubic root of 40836385 is about 344.3624295617.

The spelling of 40836385 in words is "forty million, eight hundred thirty-six thousand, three hundred eighty-five".

Divisors: 1 5 23 115 355099 1775495 8167277 40836385