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203233030 = 257111379257
BaseRepresentation
bin11000001110100…
…01011100000110
3112011102022022021
430013101130012
5404011424110
632055553354
75015311060
oct1407213406
9464368267
10203233030
11a47a0a90
125808b85a
1333149a40
141cdc4730
1512c972da
hexc1d1706

203233030 has 128 divisors (see below), whose sum is σ = 499322880. Its totient is φ = 57507840.

The previous prime is 203233021. The next prime is 203233031. The reversal of 203233030 is 30332302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203232995 and 203233013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203233031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 790662 + ... + 790918.

It is an arithmetic number, because the mean of its divisors is an integer number (3900960).

Almost surely, 2203233030 is an apocalyptic number.

203233030 is an abundant number, since it is smaller than the sum of its proper divisors (296089850).

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

203233030 is a wasteful number, since it uses less digits than its factorization.

203233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 203233030 is about 14255.9822530754. The cubic root of 203233030 is about 587.9378646145.

Adding to 203233030 its reverse (30332302), we get a palindrome (233565332).

The spelling of 203233030 in words is "two hundred three million, two hundred thirty-three thousand, thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 79 91 110 130 143 154 158 182 257 286 385 395 455 514 553 715 770 790 869 910 1001 1027 1106 1285 1430 1738 1799 2002 2054 2570 2765 2827 3341 3598 4345 5005 5135 5530 5654 6083 6682 7189 8690 8995 10010 10270 11297 12166 14135 14378 16705 17990 19789 20303 22594 23387 28270 30415 33410 35945 36751 39578 40606 46774 56485 60830 71890 73502 79079 98945 101515 112970 116935 142121 158158 183755 197890 203030 223333 233870 257257 263939 284242 367510 395395 446666 514514 527878 710605 790790 1116665 1286285 1319695 1421210 1563331 1847573 2233330 2572570 2639390 2903329 3126662 3695146 5806658 7816655 9237865 14516645 15633310 18475730 20323303 29033290 40646606 101616515 203233030