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69742 = 234871
BaseRepresentation
bin10001000001101110
310112200001
4101001232
54212432
61254514
7410221
oct210156
9115601
1069742
1148442
123443a
132598a
141b5b8
15159e7
hex1106e

69742 has 4 divisors (see below), whose sum is σ = 104616. Its totient is φ = 34870.

The previous prime is 69739. The next prime is 69761. The reversal of 69742 is 24796.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 62 + 95 + 74 + 43 + 213 .

It is a self number, because there is not a number n which added to its sum of digits gives 69742.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17434 + ... + 17437.

It is an arithmetic number, because the mean of its divisors is an integer number (26154).

269742 is an apocalyptic number.

69742 is a deficient number, since it is larger than the sum of its proper divisors (34874).

69742 is a wasteful number, since it uses less digits than its factorization.

69742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34873.

The product of its digits is 3024, while the sum is 28.

The square root of 69742 is about 264.0871068417. The cubic root of 69742 is about 41.1621577305.

The spelling of 69742 in words is "sixty-nine thousand, seven hundred forty-two".

Divisors: 1 2 34871 69742