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40915953 = 3213349709
BaseRepresentation
bin1001110000010…
…1001111110001
32211222202010200
42130011033301
540433302303
64020545413
71004531331
oct234051761
984882120
1040915953
1121106841
1211852269
138627730
1456110c1
1538d33a3
hex27053f1

40915953 has 12 divisors (see below), whose sum is σ = 63647220. Its totient is φ = 25178976.

The previous prime is 40915943. The next prime is 40915961. The reversal of 40915953 is 35951904.

40915953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 19820304 + 21095649 = 4452^2 + 4593^2 .

It is not a de Polignac number, because 40915953 - 25 = 40915921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40915913) 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 11 ways as a sum of consecutive naturals, for example, 174738 + ... + 174971.

It is an arithmetic number, because the mean of its divisors is an integer number (5303935).

Almost surely, 240915953 is an apocalyptic number.

It is an amenable number.

40915953 is a deficient number, since it is larger than the sum of its proper divisors (22731267).

40915953 is a wasteful number, since it uses less digits than its factorization.

40915953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349728 (or 349725 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 40915953 is about 6396.5579024972. The cubic root of 40915953 is about 344.5859430858.

The spelling of 40915953 in words is "forty million, nine hundred fifteen thousand, nine hundred fifty-three".

Divisors: 1 3 9 13 39 117 349709 1049127 3147381 4546217 13638651 40915953