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30097216 = 261953467
BaseRepresentation
bin111001011001…
…1111101000000
32002122002121201
41302303331000
530201102331
62553030544
7513551662
oct162637500
962562551
1030097216
1115a97536
12a0b5454
13630a306
143dd6532
152997a61
hex1cb3f40

30097216 has 56 divisors (see below), whose sum is σ = 64190880. Its totient is φ = 13957632.

The previous prime is 30097213. The next prime is 30097231. The reversal of 30097216 is 61279003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30097213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64215 + ... + 64681.

Almost surely, 230097216 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 30097216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32095440).

30097216 is an abundant number, since it is smaller than the sum of its proper divisors (34093664).

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

30097216 is a wasteful number, since it uses less digits than its factorization.

30097216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 30097216 is about 5486.0929631205. The cubic root of 30097216 is about 311.0585250501.

The spelling of 30097216 in words is "thirty million, ninety-seven thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 19 32 38 53 64 76 106 152 212 304 424 467 608 848 934 1007 1216 1696 1868 2014 3392 3736 4028 7472 8056 8873 14944 16112 17746 24751 29888 32224 35492 49502 64448 70984 99004 141968 198008 283936 396016 470269 567872 792032 940538 1584064 1881076 3762152 7524304 15048608 30097216