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204214530 = 23513247857
BaseRepresentation
bin11000010110000…
…01000100000010
3112020021011200010
430023001010002
5404234331110
632133005350
75026536432
oct1413010402
9466234603
10204214530
11a5301443
1258483856
1333401700
141d19c2c2
1512ddd020
hexc2c1102

204214530 has 96 divisors (see below), whose sum is σ = 542640384. Its totient is φ = 49141248.

The previous prime is 204214511. The next prime is 204214541. The reversal of 204214530 is 35412402.

Adding to 204214530 its reverse (35412402), we get a palindrome (239626932).

It is a junction number, because it is equal to n+sod(n) for n = 204214497 and 204214506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237862 + ... + 238718.

It is an arithmetic number, because the mean of its divisors is an integer number (5652504).

Almost surely, 2204214530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204214530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271320192).

204214530 is an abundant number, since it is smaller than the sum of its proper divisors (338425854).

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

204214530 is a wasteful number, since it uses less digits than its factorization.

204214530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204214530 is about 14290.3649358580. The cubic root of 204214530 is about 588.8828136050.

The spelling of 204214530 in words is "two hundred four million, two hundred fourteen thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 47 65 78 94 130 141 169 195 235 282 338 390 470 507 611 705 845 857 1014 1222 1410 1690 1714 1833 2535 2571 3055 3666 4285 5070 5142 6110 7943 8570 9165 11141 12855 15886 18330 22282 23829 25710 33423 39715 40279 47658 55705 66846 79430 80558 111410 119145 120837 144833 167115 201395 238290 241674 289666 334230 402790 434499 523627 604185 724165 868998 1047254 1208370 1448330 1570881 2172495 2618135 3141762 4344990 5236270 6807151 7854405 13614302 15708810 20421453 34035755 40842906 68071510 102107265 204214530