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30300212 = 2219421947
BaseRepresentation
bin111001110010…
…1100000110100
32010000102002002
41303211200310
530224101322
63001234432
7515355545
oct163454064
963012062
1030300212
1116115aa8
12a192a18
13637b827
14404a4cc
1529d7c92
hex1ce5834

30300212 has 24 divisors (see below), whose sum is σ = 56007840. Its totient is φ = 14303520.

The previous prime is 30300211. The next prime is 30300241. The reversal of 30300212 is 21200303.

It is a junction number, because it is equal to n+sod(n) for n = 30300193 and 30300202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31523 + ... + 32469.

It is an arithmetic number, because the mean of its divisors is an integer number (2333660).

Almost surely, 230300212 is an apocalyptic number.

It is an amenable number.

30300212 is a deficient number, since it is larger than the sum of its proper divisors (25707628).

30300212 is a wasteful number, since it uses less digits than its factorization.

30300212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30300212 is about 5504.5628345946. The cubic root of 30300212 is about 311.7562884220.

Adding to 30300212 its reverse (21200303), we get a palindrome (51500515).

Subtracting from 30300212 its reverse (21200303), we obtain a palindrome (9099909).

The spelling of 30300212 in words is "thirty million, three hundred thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 421 842 947 1684 1894 3788 7999 15998 17993 31996 35986 71972 398687 797374 1594748 7575053 15150106 30300212