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70568385 = 3547199503
BaseRepresentation
bin1000011010011…
…00100111000001
311220210020121220
410031030213001
5121031142020
611000305253
71514551506
oct415144701
9156706556
1070568385
113691a088
121b772229
131180a454
14952d4ad
1562de240
hex434c9c1

70568385 has 32 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 36577728.

The previous prime is 70568363. The next prime is 70568389. The reversal of 70568385 is 58386507.

It is not a de Polignac number, because 70568385 - 210 = 70567361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70568389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140044 + ... + 140546.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 270568385 is an apocalyptic number.

It is an amenable number.

70568385 is a deficient number, since it is larger than the sum of its proper divisors (45553215).

70568385 is a wasteful number, since it uses less digits than its factorization.

70568385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 70568385 is about 8400.4990923159. The cubic root of 70568385 is about 413.2409895309.

The spelling of 70568385 in words is "seventy million, five hundred sixty-eight thousand, three hundred eighty-five".

Divisors: 1 3 5 15 47 141 199 235 503 597 705 995 1509 2515 2985 7545 9353 23641 28059 46765 70923 100097 118205 140295 300291 354615 500485 1501455 4704559 14113677 23522795 70568385