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230915340 = 22335427621
BaseRepresentation
bin11011100001101…
…11110100001100
3121002111201022000
431300313310030
5433103242330
634525152300
75502514365
oct1560676414
9532451260
10230915340
11109389127
12653bb690
1338abcac6
142294cb6c
1515414560
hexdc37d0c

230915340 has 48 divisors (see below), whose sum is σ = 718404960. Its totient is φ = 61577280.

The previous prime is 230915339. The next prime is 230915353. The reversal of 230915340 is 43519032.

230915340 is a `hidden beast` number, since 2 + 309 + 15 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 213271 + ... + 214350.

It is an arithmetic number, because the mean of its divisors is an integer number (14966770).

Almost surely, 2230915340 is an apocalyptic number.

230915340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230915340 is an abundant number, since it is smaller than the sum of its proper divisors (487489620).

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

230915340 is a wasteful number, since it uses less digits than its factorization.

230915340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427639 (or 427631 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 230915340 is about 15195.8987888180. The cubic root of 230915340 is about 613.5042772043.

The spelling of 230915340 in words is "two hundred thirty million, nine hundred fifteen thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 427621 855242 1282863 1710484 2138105 2565726 3848589 4276210 5131452 6414315 7697178 8552420 11545767 12828630 15394356 19242945 23091534 25657260 38485890 46183068 57728835 76971780 115457670 230915340