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234551240 = 235721122343
BaseRepresentation
bin11011111101011…
…11011111001000
3121100100102210222
431332233133020
5440021114430
635135125212
75545436600
oct1576573710
9540312728
10234551240
11110441900
1266673808
1339793a21
1423217c00
15158d19e5
hexdfaf7c8

234551240 has 288 divisors, whose sum is σ = 720498240. Its totient is φ = 68302080.

The previous prime is 234551221. The next prime is 234551243. The reversal of 234551240 is 42155432.

It is a happy number.

234551240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (234551243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5454659 + ... + 5454701.

It is an arithmetic number, because the mean of its divisors is an integer number (2501730).

Almost surely, 2234551240 is an apocalyptic number.

234551240 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 234551240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360249120).

234551240 is an abundant number, since it is smaller than the sum of its proper divisors (485947000).

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

234551240 is a wasteful number, since it uses less digits than its factorization.

234551240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 234551240 is about 15315.0657850366. The cubic root of 234551240 is about 616.7075203841.

The spelling of 234551240 in words is "two hundred thirty-four million, five hundred fifty-one thousand, two hundred forty".