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1838703230 = 2571311317881
BaseRepresentation
bin110110110011000…
…0110001001111110
311202010211210122122
41231212012021332
512231202000410
6502241442542
763364501550
oct15546061176
94663753578
101838703230
11863999a51
12433940452
13233c215a0
141362ad4d0
15ab650e55
hex6d98627e

1838703230 has 64 divisors (see below), whose sum is σ = 4109712768. Its totient is φ = 576737280.

The previous prime is 1838703227. The next prime is 1838703239. The reversal of 1838703230 is 323078381.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838703239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93890 + ... + 111770.

It is an arithmetic number, because the mean of its divisors is an integer number (64214262).

Almost surely, 21838703230 is an apocalyptic number.

1838703230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1838703230 is an abundant number, since it is smaller than the sum of its proper divisors (2271009538).

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

1838703230 is a wasteful number, since it uses less digits than its factorization.

1838703230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1838703230 is about 42880.1029616301. The cubic root of 1838703230 is about 1225.0971973411.

The spelling of 1838703230 in words is "one billion, eight hundred thirty-eight million, seven hundred three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 113 130 182 226 455 565 791 910 1130 1469 1582 2938 3955 7345 7910 10283 14690 17881 20566 35762 51415 89405 102830 125167 178810 232453 250334 464906 625835 1162265 1251670 1627171 2020553 2324530 3254342 4041106 8135855 10102765 14143871 16271710 20205530 26267189 28287742 52534378 70719355 131335945 141438710 183870323 262671890 367740646 919351615 1838703230