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234326540 = 22572297309
BaseRepresentation
bin11011111011110…
…00101000001100
3121022221000120202
431331320220030
5434441422130
635130233032
75543512520
oct1575705014
9538830522
10234326540
111102a8aa8
1266585778
1339715676
1423199d80
151588a145
hexdf78a0c

234326540 has 48 divisors (see below), whose sum is σ = 564916800. Its totient is φ = 79978752.

The previous prime is 234326539. The next prime is 234326549. The reversal of 234326540 is 45623432.

It is not an unprimeable number, because it can be changed into a prime (234326549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28406 + ... + 35714.

It is an arithmetic number, because the mean of its divisors is an integer number (11769100).

Almost surely, 2234326540 is an apocalyptic number.

234326540 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 234326540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282458400).

234326540 is an abundant number, since it is smaller than the sum of its proper divisors (330590260).

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

234326540 is a wasteful number, since it uses less digits than its factorization.

234326540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554 (or 7552 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 234326540 is about 15307.7281136033. The cubic root of 234326540 is about 616.5105222715.

Adding to 234326540 its reverse (45623432), we get a palindrome (279949972).

The spelling of 234326540 in words is "two hundred thirty-four million, three hundred twenty-six thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 229 458 916 1145 1603 2290 3206 4580 6412 7309 8015 14618 16030 29236 32060 36545 51163 73090 102326 146180 204652 255815 511630 1023260 1673761 3347522 6695044 8368805 11716327 16737610 23432654 33475220 46865308 58581635 117163270 234326540