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30020336 = 242329297
BaseRepresentation
bin111001010000…
…1001011110000
32002111012011022
41302201023300
530141122321
62551235012
7513111563
oct162411360
962435138
1030020336
1115a447a5
12a078a68
1362b1318
143db64da
15297edab
hex1ca12f0

30020336 has 60 divisors (see below), whose sum is σ = 63506352. Its totient is φ = 13719552.

The previous prime is 30020329. The next prime is 30020377. The reversal of 30020336 is 63302003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309440 + ... + 309536.

Almost surely, 230020336 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 30020336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31753176).

30020336 is an abundant number, since it is smaller than the sum of its proper divisors (33486016).

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

30020336 is a wasteful number, since it uses less digits than its factorization.

30020336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 30020336 is about 5479.0816748795. The cubic root of 30020336 is about 310.7934443818.

Adding to 30020336 its reverse (63302003), we get a palindrome (93322339).

The spelling of 30020336 in words is "thirty million, twenty thousand, three hundred thirty-six".

Divisors: 1 2 4 8 16 23 29 46 58 92 97 116 184 194 232 368 388 464 667 776 841 1334 1552 1682 2231 2668 2813 3364 4462 5336 5626 6728 8924 10672 11252 13456 17848 19343 22504 35696 38686 45008 64699 77372 81577 129398 154744 163154 258796 309488 326308 517592 652616 1035184 1305232 1876271 3752542 7505084 15010168 30020336