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947152085 = 511373131487
BaseRepresentation
bin111000011101000…
…110010011010101
32110000020022101212
4320131012103111
53414432331320
6233552431205
732320442225
oct7035062325
92400208355
10947152085
11446708420
12225248505
131212c5729
148db12085
15582429c5
hex387464d5

947152085 has 32 divisors (see below), whose sum is σ = 1278346752. Its totient is φ = 667630080.

The previous prime is 947152069. The next prime is 947152183. The reversal of 947152085 is 580251749.

947152085 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 947152085 - 24 = 947152069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 636212 + ... + 637698.

It is an arithmetic number, because the mean of its divisors is an integer number (39948336).

Almost surely, 2947152085 is an apocalyptic number.

It is an amenable number.

947152085 is a deficient number, since it is larger than the sum of its proper divisors (331194667).

947152085 is a wasteful number, since it uses less digits than its factorization.

947152085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 947152085 is about 30775.8360568807. The cubic root of 947152085 is about 982.0642608481.

The spelling of 947152085 in words is "nine hundred forty-seven million, one hundred fifty-two thousand, eighty-five".

Divisors: 1 5 11 37 55 185 313 407 1487 1565 2035 3443 7435 11581 16357 17215 55019 57905 81785 127391 275095 465431 605209 636955 2327155 3026045 5119741 17220947 25598705 86104735 189430417 947152085