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70550671 = 83984089
BaseRepresentation
bin1000011010010…
…00010010001111
311220202100022211
410031020102033
5121030110141
611000051251
71514446042
oct415102217
9156670284
1070550671
1136907844
121b763b27
1311802379
149526c59
1562d8d81
hex434848f

70550671 has 4 divisors (see below), whose sum is σ = 70635600. Its totient is φ = 70465744.

The previous prime is 70550657. The next prime is 70550681. The reversal of 70550671 is 17605507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17605507 = 169310399.

It is a cyclic number.

It is not a de Polignac number, because 70550671 - 25 = 70550639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70550651) 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 3 ways as a sum of consecutive naturals, for example, 41206 + ... + 42883.

It is an arithmetic number, because the mean of its divisors is an integer number (17658900).

Almost surely, 270550671 is an apocalyptic number.

70550671 is a deficient number, since it is larger than the sum of its proper divisors (84929).

70550671 is an equidigital number, since it uses as much as digits as its factorization.

70550671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84928.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 70550671 is about 8399.4446840252. Note that the first 3 decimals coincide. The cubic root of 70550671 is about 413.2064095346.

The spelling of 70550671 in words is "seventy million, five hundred fifty thousand, six hundred seventy-one".

Divisors: 1 839 84089 70550671