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235020240 = 2432571317211
BaseRepresentation
bin11100000001000…
…01111111010000
3121101020021011100
432000201333100
5440131121430
635153144400
75552432130
oct1600417720
9541207140
10235020240
11110732204
126685b100
13398c9340
14232daac0
1515975960
hexe021fd0

235020240 has 480 divisors, whose sum is σ = 1033433856. Its totient is φ = 46448640.

The previous prime is 235020229. The next prime is 235020259. The reversal of 235020240 is 42020532.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1113735 + ... + 1113945.

Almost surely, 2235020240 is an apocalyptic number.

235020240 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 235020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516716928).

235020240 is an abundant number, since it is smaller than the sum of its proper divisors (798413616).

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

235020240 is a wasteful number, since it uses less digits than its factorization.

235020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 235020240 is about 15330.3698585520. The cubic root of 235020240 is about 617.1182952453.

Adding to 235020240 its reverse (42020532), we get a palindrome (277040772).

The spelling of 235020240 in words is "two hundred thirty-five million, twenty thousand, two hundred forty".