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235306146 = 231719235279
BaseRepresentation
bin11100000011001…
…11110010100010
3121101202210100110
432001213302202
5440214244041
635203232150
75555032515
oct1601476242
9541683313
10235306146
11110907a99
1266978656
133999950a
1423372d7c
15159d0516
hexe067ca2

235306146 has 64 divisors (see below), whose sum is σ = 547430400. Its totient is φ = 66882816.

The previous prime is 235306139. The next prime is 235306193. The reversal of 235306146 is 641603532.

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 31 ways as a sum of consecutive naturals, for example, 41935 + ... + 47213.

It is an arithmetic number, because the mean of its divisors is an integer number (8553600).

Almost surely, 2235306146 is an apocalyptic number.

235306146 is an abundant number, since it is smaller than the sum of its proper divisors (312124254).

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

235306146 is a wasteful number, since it uses less digits than its factorization.

235306146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 235306146 is about 15339.6918482739. The cubic root of 235306146 is about 617.3684387012.

Adding to 235306146 its reverse (641603532), we get a palindrome (876909678).

The spelling of 235306146 in words is "two hundred thirty-five million, three hundred six thousand, one hundred forty-six".

Divisors: 1 2 3 6 17 19 23 34 38 46 51 57 69 102 114 138 323 391 437 646 782 874 969 1173 1311 1938 2346 2622 5279 7429 10558 14858 15837 22287 31674 44574 89743 100301 121417 179486 200602 242834 269229 300903 364251 538458 601806 728502 1705117 2064089 2306923 3410234 4128178 4613846 5115351 6192267 6920769 10230702 12384534 13841538 39217691 78435382 117653073 235306146