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1348438230 = 232529516643
BaseRepresentation
bin101000001011111…
…1000100011010110
310110222022202111200
41100113320203112
510230200010410
6341445413330
745262351536
oct12027704326
93428282450
101348438230
11632181667
1231770a246
13186497559
14cb12d4c6
157d5ac3c0
hex505f88d6

1348438230 has 48 divisors (see below), whose sum is σ = 3626840880. Its totient is φ = 347183424.

The previous prime is 1348438213. The next prime is 1348438253. The reversal of 1348438230 is 328348431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255712 + ... + 260931.

It is an arithmetic number, because the mean of its divisors is an integer number (75559185).

Almost surely, 21348438230 is an apocalyptic number.

1348438230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1348438230 is an abundant number, since it is smaller than the sum of its proper divisors (2278402650).

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

1348438230 is a wasteful number, since it uses less digits than its factorization.

1348438230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516685 (or 516682 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 1348438230 is about 36721.0869937152. The cubic root of 1348438230 is about 1104.7830918128.

The spelling of 1348438230 in words is "one billion, three hundred forty-eight million, four hundred thirty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 516643 1033286 1549929 2583215 3099858 4649787 5166430 7749645 9299574 14982647 15499290 23248935 29965294 44947941 46497870 74913235 89895882 134843823 149826470 224739705 269687646 449479410 674219115 1348438230