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70550017 = 1731592269
BaseRepresentation
bin1000011010010…
…00001000000001
311220202022102121
410031020020001
5121030100032
611000044241
71514444116
oct415101001
9156668377
1070550017
11369072aa
121b763681
1311801c95
14952690d
1562d8a97
hex4348201

70550017 has 16 divisors (see below), whose sum is σ = 78451200. Its totient is φ = 63141120.

The previous prime is 70550003. The next prime is 70550063. The reversal of 70550017 is 71005507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70550017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70549973 and 70550000.

It is not an unprimeable number, because it can be changed into a prime (70550087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29959 + ... + 32227.

It is an arithmetic number, because the mean of its divisors is an integer number (4903200).

Almost surely, 270550017 is an apocalyptic number.

It is an amenable number.

70550017 is a deficient number, since it is larger than the sum of its proper divisors (7901183).

70550017 is a wasteful number, since it uses less digits than its factorization.

70550017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 70550017 is about 8399.4057527899. The cubic root of 70550017 is about 413.2051327321.

The spelling of 70550017 in words is "seventy million, five hundred fifty thousand, seventeen".

Divisors: 1 17 31 59 527 1003 1829 2269 31093 38573 70339 133871 1195763 2275807 4150001 70550017