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235494440 = 23547229547
BaseRepresentation
bin11100000100101…
…01110000101000
3121102010100122022
432002111300220
5440241310230
635211244012
75556445466
oct1602256050
9542110568
10235494440
11110a26505
1266a49608
1339a3412c
14233c1836
1515a1b1e5
hexe095c28

235494440 has 64 divisors (see below), whose sum is σ = 544492800. Its totient is φ = 91623168.

The previous prime is 235494439. The next prime is 235494443. The reversal of 235494440 is 44494532.

235494440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 235494440.

It is not an unprimeable number, because it can be changed into a prime (235494443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430247 + ... + 430793.

It is an arithmetic number, because the mean of its divisors is an integer number (8507700).

Almost surely, 2235494440 is an apocalyptic number.

235494440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235494440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272246400).

235494440 is an abundant number, since it is smaller than the sum of its proper divisors (308998360).

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

235494440 is a wasteful number, since it uses less digits than its factorization.

235494440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 235494440 is about 15345.8280975645. The cubic root of 235494440 is about 617.5330693059.

The spelling of 235494440 in words is "two hundred thirty-five million, four hundred ninety-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 229 235 376 458 470 547 916 940 1094 1145 1832 1880 2188 2290 2735 4376 4580 5470 9160 10763 10940 21526 21880 25709 43052 51418 53815 86104 102836 107630 125263 128545 205672 215260 250526 257090 430520 501052 514180 626315 1002104 1028360 1252630 2505260 5010520 5887361 11774722 23549444 29436805 47098888 58873610 117747220 235494440