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235420134 = 23231705943
BaseRepresentation
bin11100000100000…
…11100111100110
3121101222120201020
432002003213212
5440231421014
635205512010
75556016035
oct1602034746
9541876636
10235420134
111109856a4
1266a12606
1339a09371
14233a271c
1515a041a9
hexe0839e6

235420134 has 16 divisors (see below), whose sum is σ = 491311872. Its totient is φ = 75061448.

The previous prime is 235420123. The next prime is 235420153. The reversal of 235420134 is 431024532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852834 + ... + 853109.

It is an arithmetic number, because the mean of its divisors is an integer number (30706992).

Almost surely, 2235420134 is an apocalyptic number.

235420134 is an abundant number, since it is smaller than the sum of its proper divisors (255891738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235420134 is a wasteful number, since it uses less digits than its factorization.

235420134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705971.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 235420134 is about 15343.4068576702. The cubic root of 235420134 is about 617.4681120196.

Adding to 235420134 its reverse (431024532), we get a palindrome (666444666).

The spelling of 235420134 in words is "two hundred thirty-five million, four hundred twenty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 1705943 3411886 5117829 10235658 39236689 78473378 117710067 235420134