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136970 = 2513697
BaseRepresentation
bin100001011100001010
320221212222
4201130022
513340340
62534042
71110221
oct413412
9227788
10136970
11939a9
1267322
134a462
1437cb8
152a8b5
hex2170a

136970 has 8 divisors (see below), whose sum is σ = 246564. Its totient is φ = 54784.

The previous prime is 136963. The next prime is 136973. The reversal of 136970 is 79631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117649 + 19321 = 343^2 + 139^2 .

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

It is a Curzon number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136970.

It is not an unprimeable number, because it can be changed into a prime (136973) 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 3 ways as a sum of consecutive naturals, for example, 6839 + ... + 6858.

2136970 is an apocalyptic number.

136970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136970 is a deficient number, since it is larger than the sum of its proper divisors (109594).

136970 is a wasteful number, since it uses less digits than its factorization.

136970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 136970 is about 370.0945825056. The cubic root of 136970 is about 51.5476042065.

The spelling of 136970 in words is "one hundred thirty-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 13697 27394 68485 136970