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235225220 = 225891031283
BaseRepresentation
bin11100000010101…
…00000010000100
3121101121200100012
432001110002010
5440204201340
635201405352
75554244546
oct1601240204
9541550305
10235225220
1111086220a
1266939858
133996b729
1423351696
15159b6565
hexe054084

235225220 has 48 divisors (see below), whose sum is σ = 504766080. Its totient is φ = 92057856.

The previous prime is 235225219. The next prime is 235225231. The reversal of 235225220 is 22522532.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182699 + ... + 183981.

It is an arithmetic number, because the mean of its divisors is an integer number (10515960).

Almost surely, 2235225220 is an apocalyptic number.

235225220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235225220 is an abundant number, since it is smaller than the sum of its proper divisors (269540860).

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

235225220 is a wasteful number, since it uses less digits than its factorization.

235225220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 235225220 is about 15337.0538239911. The cubic root of 235225220 is about 617.2976558966.

Adding to 235225220 its reverse (22522532), we get a palindrome (257747752).

It can be divided in two parts, 2352 and 25220, that added together give a palindrome (27572).

The spelling of 235225220 in words is "two hundred thirty-five million, two hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 89 103 178 206 356 412 445 515 890 1030 1283 1780 2060 2566 5132 6415 9167 12830 18334 25660 36668 45835 91670 114187 132149 183340 228374 264298 456748 528596 570935 660745 1141870 1321490 2283740 2642980 11761261 23522522 47045044 58806305 117612610 235225220