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69705134 = 2172389137
BaseRepresentation
bin1000010011110…
…01110110101110
311212011101110122
410021321312232
5120321031014
610530004542
71504324652
oct411716656
9155141418
1069705134
113638a554
121b416752
1311597555
149386a62
1561bd58e
hex4279dae

69705134 has 16 divisors (see below), whose sum is σ = 115522848. Its totient is φ = 31375872.

The previous prime is 69705131. The next prime is 69705149. The reversal of 69705134 is 43150796.

It is a junction number, because it is equal to n+sod(n) for n = 69705094 and 69705103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69705131) 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, 43787 + ... + 45350.

It is an arithmetic number, because the mean of its divisors is an integer number (7220178).

Almost surely, 269705134 is an apocalyptic number.

69705134 is a deficient number, since it is larger than the sum of its proper divisors (45817714).

69705134 is a wasteful number, since it uses less digits than its factorization.

69705134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89179.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 69705134 is about 8348.9600550009. The cubic root of 69705134 is about 411.5490360548.

The spelling of 69705134 in words is "sixty-nine million, seven hundred five thousand, one hundred thirty-four".

Divisors: 1 2 17 23 34 46 391 782 89137 178274 1515329 2050151 3030658 4100302 34852567 69705134