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70685 = 567211
BaseRepresentation
bin10001010000011101
310120221222
4101100131
54230220
61303125
7413036
oct212035
9116858
1070685
114911a
1234aa5
1326234
141ba8d
1515e25
hex1141d

70685 has 8 divisors (see below), whose sum is σ = 86496. Its totient is φ = 55440.

The previous prime is 70667. The next prime is 70687. The reversal of 70685 is 58607.

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

It is not a de Polignac number, because 70685 - 26 = 70621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70687) 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 7 ways as a sum of consecutive naturals, for example, 230 + ... + 440.

It is an arithmetic number, because the mean of its divisors is an integer number (10812).

270685 is an apocalyptic number.

It is an amenable number.

70685 is a deficient number, since it is larger than the sum of its proper divisors (15811).

70685 is a wasteful number, since it uses less digits than its factorization.

70685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70685 is about 265.8665078569. The cubic root of 70685 is about 41.3468492623.

The spelling of 70685 in words is "seventy thousand, six hundred eighty-five".

Divisors: 1 5 67 211 335 1055 14137 70685