Search a number
-
+
65234129 = 214130469
BaseRepresentation
bin1111100011011…
…0010011010001
311112202020101212
43320312103101
5113144443004
610250105505
71421323652
oct370662321
9145666355
1065234129
1133906404
1219a1b295
131069049c
148941529
155ad896e
hex3e364d1

65234129 has 4 divisors (see below), whose sum is σ = 65266740. Its totient is φ = 65201520.

The previous prime is 65234119. The next prime is 65234153. The reversal of 65234129 is 92143256.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50794129 + 14440000 = 7127^2 + 3800^2 .

It is a cyclic number.

It is not a de Polignac number, because 65234129 - 28 = 65233873 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65234095 and 65234104.

It is not an unprimeable number, because it can be changed into a prime (65234119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13094 + ... + 17375.

It is an arithmetic number, because the mean of its divisors is an integer number (16316685).

Almost surely, 265234129 is an apocalyptic number.

It is an amenable number.

65234129 is a deficient number, since it is larger than the sum of its proper divisors (32611).

65234129 is a wasteful number, since it uses less digits than its factorization.

65234129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32610.

The product of its digits is 12960, while the sum is 32.

The square root of 65234129 is about 8076.7647607195. The cubic root of 65234129 is about 402.5547504705.

The spelling of 65234129 in words is "sixty-five million, two hundred thirty-four thousand, one hundred twenty-nine".

Divisors: 1 2141 30469 65234129