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70568145 = 3354631129
BaseRepresentation
bin1000011010011…
…00100011010001
311220210020022000
410031030203101
5121031140040
611000304213
71514551014
oct415144321
9156706260
1070568145
113691998a
121b772069
131180a2cb
14952d37b
1562de130
hex434c8d1

70568145 has 32 divisors (see below), whose sum is σ = 125836800. Its totient is φ = 37521792.

The previous prime is 70568143. The next prime is 70568153. The reversal of 70568145 is 54186507.

It is not a de Polignac number, because 70568145 - 21 = 70568143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70568143) 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, 61941 + ... + 63069.

It is an arithmetic number, because the mean of its divisors is an integer number (3932400).

Almost surely, 270568145 is an apocalyptic number.

It is an amenable number.

70568145 is a deficient number, since it is larger than the sum of its proper divisors (55268655).

70568145 is a wasteful number, since it uses less digits than its factorization.

70568145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 70568145 is about 8400.4848074382. The cubic root of 70568145 is about 413.2405210589.

The spelling of 70568145 in words is "seventy million, five hundred sixty-eight thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 463 1129 1389 2315 3387 4167 5645 6945 10161 12501 16935 20835 30483 50805 62505 152415 522727 1568181 2613635 4704543 7840905 14113629 23522715 70568145