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235872 = 2534713
BaseRepresentation
bin111001100101100000
3102222120000
4321211200
530021442
65020000
72001450
oct714540
9388500
10235872
1115123a
12b4600
1383490
1461d60
1549d4c
hex39960

235872 has 120 divisors (see below), whose sum is σ = 853776. Its totient is φ = 62208.

The previous prime is 235871. The next prime is 235877. The reversal of 235872 is 278532.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

Its product of digits (3360) is a multiple of the sum of its prime factors (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18138 + ... + 18150.

2235872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426888).

235872 is an abundant number, since it is smaller than the sum of its proper divisors (617904).

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

235872 is a wasteful number, since it uses less digits than its factorization.

235872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42 (or 25 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 235872 is about 485.6665522764. Note that the first 3 decimals coincide. The cubic root of 235872 is about 61.7862916149.

It can be divided in two parts, 23587 and 2, that multiplied together give a palindrome (47174).

The spelling of 235872 in words is "two hundred thirty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 72 78 81 84 91 96 104 108 112 117 126 144 156 162 168 182 189 208 216 224 234 252 273 288 312 324 336 351 364 378 416 432 468 504 546 567 624 648 672 702 728 756 819 864 936 1008 1053 1092 1134 1248 1296 1404 1456 1512 1638 1872 2016 2106 2184 2268 2457 2592 2808 2912 3024 3276 3744 4212 4368 4536 4914 5616 6048 6552 7371 8424 8736 9072 9828 11232 13104 14742 16848 18144 19656 26208 29484 33696 39312 58968 78624 117936 235872