Search a number
-
+
129035 = 5131197
BaseRepresentation
bin11111100000001011
320120000002
4133200023
513112120
62433215
71045124
oct374013
9216002
10129035
1188a45
126280b
134696a
143504b
1528375
hex1f80b

129035 has 8 divisors (see below), whose sum is σ = 156816. Its totient is φ = 101920.

The previous prime is 129023. The next prime is 129037. The reversal of 129035 is 530921.

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

It is not a de Polignac number, because 129035 - 26 = 128971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128998 and 129016.

It is not an unprimeable number, because it can be changed into a prime (129037) 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, 557 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (19602).

2129035 is an apocalyptic number.

129035 is a deficient number, since it is larger than the sum of its proper divisors (27781).

129035 is a wasteful number, since it uses less digits than its factorization.

129035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 129035 is about 359.2144206459. The cubic root of 129035 is about 50.5323127514.

Adding to 129035 its reverse (530921), we get a palindrome (659956).

It can be divided in two parts, 1290 and 35, that multiplied together give a triangular number (45150 = T300).

The spelling of 129035 in words is "one hundred twenty-nine thousand, thirty-five".

Divisors: 1 5 131 197 655 985 25807 129035