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30204224 = 261959421
BaseRepresentation
bin111001100111…
…0000101000000
32002211112101222
41303032011000
530213013344
62555214212
7514505651
oct163160500
962745358
1030204224
111605a976
12a147368
136346c2b
144023528
1529b95ee
hex1cce140

30204224 has 56 divisors (see below), whose sum is σ = 64312800. Its totient is φ = 14031360.

The previous prime is 30204217. The next prime is 30204233. The reversal of 30204224 is 42240203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71534 + ... + 71954.

Almost surely, 230204224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30204224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32156400).

30204224 is an abundant number, since it is smaller than the sum of its proper divisors (34108576).

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

30204224 is a wasteful number, since it uses less digits than its factorization.

30204224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30204224 is about 5495.8369699255. The cubic root of 30204224 is about 311.4267360744.

Adding to 30204224 its reverse (42240203), we get a palindrome (72444427).

The spelling of 30204224 in words is "thirty million, two hundred four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 19 32 38 59 64 76 118 152 236 304 421 472 608 842 944 1121 1216 1684 1888 2242 3368 3776 4484 6736 7999 8968 13472 15998 17936 24839 26944 31996 35872 49678 63992 71744 99356 127984 198712 255968 397424 471941 511936 794848 943882 1589696 1887764 3775528 7551056 15102112 30204224