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949005945 = 32531680291
BaseRepresentation
bin111000100100001…
…010111001111001
32110010201111102100
4320210022321321
53420421142240
6234100254013
732342263116
oct7044127171
92403644370
10949005945
11447764238
122259a1309
131217c44a4
149007590d
15584abe30
hex3890ae79

949005945 has 24 divisors (see below), whose sum is σ = 1698008832. Its totient is φ = 489808800.

The previous prime is 949005931. The next prime is 949005983. The reversal of 949005945 is 549500949.

949005945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 949005945 - 24 = 949005929 is a prime.

It is a super-2 number, since 2×9490059452 = 1801224567290686050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 949005945.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338751 + ... + 341540.

It is an arithmetic number, because the mean of its divisors is an integer number (70750368).

Almost surely, 2949005945 is an apocalyptic number.

It is an amenable number.

949005945 is a deficient number, since it is larger than the sum of its proper divisors (749002887).

949005945 is a wasteful number, since it uses less digits than its factorization.

949005945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680333 (or 680330 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 949005945 is about 30805.9400927808. The cubic root of 949005945 is about 982.7045744590.

The spelling of 949005945 in words is "nine hundred forty-nine million, five thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 680291 2040873 3401455 6122619 10204365 21089021 30613095 63267063 105445105 189801189 316335315 949005945