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234303540 = 22353905059
BaseRepresentation
bin11011111011100…
…11000000110100
3121022212212000220
431331303000310
5434440203130
635125534340
75543355462
oct1575630064
9538785026
10234303540
11110292799
12665743b0
1339708063
1423191832
1515883410
hexdf73034

234303540 has 24 divisors (see below), whose sum is σ = 656050080. Its totient is φ = 62480928.

The previous prime is 234303539. The next prime is 234303547. The reversal of 234303540 is 45303432.

It is a self number, because there is not a number n which added to its sum of digits gives 234303540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234303547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952470 + ... + 1952589.

It is an arithmetic number, because the mean of its divisors is an integer number (27335420).

Almost surely, 2234303540 is an apocalyptic number.

234303540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234303540 is an abundant number, since it is smaller than the sum of its proper divisors (421746540).

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

234303540 is a wasteful number, since it uses less digits than its factorization.

234303540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905071 (or 3905069 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 234303540 is about 15306.9768406436. The cubic root of 234303540 is about 616.4903506967.

Adding to 234303540 its reverse (45303432), we get a palindrome (279606972).

The spelling of 234303540 in words is "two hundred thirty-four million, three hundred three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3905059 7810118 11715177 15620236 19525295 23430354 39050590 46860708 58575885 78101180 117151770 234303540