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40706895 = 3523117991
BaseRepresentation
bin1001101101001…
…0001101001111
32211121010100210
42123102031033
540410110040
64012253503
71003000665
oct233221517
984533323
1040706895
1120a83769
1211771293
138583528
145598c35
153891480
hex26d234f

40706895 has 16 divisors (see below), whose sum is σ = 67963392. Its totient is φ = 20766240.

The previous prime is 40706893. The next prime is 40706903. The reversal of 40706895 is 59860704.

It is not a de Polignac number, because 40706895 - 21 = 40706893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40706893) 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, 58651 + ... + 59340.

It is an arithmetic number, because the mean of its divisors is an integer number (4247712).

Almost surely, 240706895 is an apocalyptic number.

40706895 is a deficient number, since it is larger than the sum of its proper divisors (27256497).

40706895 is a wasteful number, since it uses less digits than its factorization.

40706895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118022.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 40706895 is about 6380.1955299191. The cubic root of 40706895 is about 343.9980591877.

The spelling of 40706895 in words is "forty million, seven hundred six thousand, eight hundred ninety-five".

Divisors: 1 3 5 15 23 69 115 345 117991 353973 589955 1769865 2713793 8141379 13568965 40706895