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70206017 = 7671071399
BaseRepresentation
bin1000010111101…
…00001001000001
311220002211112212
410023310021001
5120433043032
610544431505
71511512160
oct413641101
9156084485
1070206017
11366a1902
121b618595
131171152b
1494773d7
15626bbb2
hex42f4241

70206017 has 16 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 58682448.

The previous prime is 70206001. The next prime is 70206029. The reversal of 70206017 is 71060207.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70206017 - 24 = 70206001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70205983 and 70206001.

It is not an unprimeable number, because it can be changed into a prime (70206067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49484 + ... + 50882.

It is an arithmetic number, because the mean of its divisors is an integer number (5140800).

Almost surely, 270206017 is an apocalyptic number.

It is an amenable number.

70206017 is a deficient number, since it is larger than the sum of its proper divisors (12046783).

70206017 is a wasteful number, since it uses less digits than its factorization.

70206017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70206017 is about 8378.9030905006. The cubic root of 70206017 is about 412.5324458103.

The spelling of 70206017 in words is "seventy million, two hundred six thousand, seventeen".

Divisors: 1 7 67 107 469 749 1399 7169 9793 50183 93733 149693 656131 1047851 10029431 70206017