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70829 = 1147137
BaseRepresentation
bin10001010010101101
310121011022
4101102231
54231304
61303525
7413333
oct212255
9117138
1070829
1149240
1234ba5
1326315
141bb53
1515ebe
hex114ad

70829 has 8 divisors (see below), whose sum is σ = 79488. Its totient is φ = 62560.

The previous prime is 70823. The next prime is 70841. The reversal of 70829 is 92807.

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

It is a cyclic number.

It is not a de Polignac number, because 70829 - 28 = 70573 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 70798 and 70807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (9936).

270829 is an apocalyptic number.

It is an amenable number.

70829 is a deficient number, since it is larger than the sum of its proper divisors (8659).

70829 is a wasteful number, since it uses less digits than its factorization.

70829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 70829 is about 266.1371826709. The cubic root of 70829 is about 41.3749075855.

It can be divided in two parts, 708 and 29, that added together give a palindrome (737).

The spelling of 70829 in words is "seventy thousand, eight hundred twenty-nine".

Divisors: 1 11 47 137 517 1507 6439 70829