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70066633 = 713769963
BaseRepresentation
bin1000010110100…
…10000111001001
311212211202100111
410023102013021
5120414113013
610541434321
71510361620
oct413220711
9155752314
1070066633
113660710a
121b56b9a1
1311692c60
14943c6b7
15624073d
hex42d21c9

70066633 has 8 divisors (see below), whose sum is σ = 86235968. Its totient is φ = 55437264.

The previous prime is 70066621. The next prime is 70066669. The reversal of 70066633 is 33666007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70066633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70066595 and 70066604.

It is not an unprimeable number, because it can be changed into a prime (70066693) 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 7 ways as a sum of consecutive naturals, for example, 384891 + ... + 385072.

It is an arithmetic number, because the mean of its divisors is an integer number (10779496).

Almost surely, 270066633 is an apocalyptic number.

It is an amenable number.

70066633 is a deficient number, since it is larger than the sum of its proper divisors (16169335).

70066633 is a wasteful number, since it uses less digits than its factorization.

70066633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769983.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 70066633 is about 8370.5814015515. The cubic root of 70066633 is about 412.2592568925.

The spelling of 70066633 in words is "seventy million, sixty-six thousand, six hundred thirty-three".

Divisors: 1 7 13 91 769963 5389741 10009519 70066633