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70386 = 2311731
BaseRepresentation
bin10001001011110010
310120112220
4101023302
54223021
61301510
7412131
oct211362
9116486
1070386
1148978
1234896
1326064
141b918
1515cc6
hex112f2

70386 has 8 divisors (see below), whose sum is σ = 140784. Its totient is φ = 23460.

The previous prime is 70381. The next prime is 70393. The reversal of 70386 is 68307.

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

70386 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70381) by changing a digit.

70386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5860 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (17598).

270386 is an apocalyptic number.

70386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70392).

70386 is a wasteful number, since it uses less digits than its factorization.

70386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 70386 is about 265.3035996740. The cubic root of 70386 is about 41.2884673304.

Subtracting from 70386 its product of nonzero digits (1008), we obtain a triangular number (69378 = T372).

The spelling of 70386 in words is "seventy thousand, three hundred eighty-six".

Divisors: 1 2 3 6 11731 23462 35193 70386