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30706300 = 22523743193
BaseRepresentation
bin111010100100…
…0101001111100
32010210001010101
41311020221330
530330100200
63014050444
7521666512
oct165105174
963701111
1030706300
1116373109
12a349a24
136491611
1441144b2
152a6826a
hex1d48a7c

30706300 has 72 divisors (see below), whose sum is σ = 70387856. Its totient is φ = 11612160.

The previous prime is 30706279. The next prime is 30706307. The reversal of 30706300 is 360703.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30706307) 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 23 ways as a sum of consecutive naturals, for example, 159004 + ... + 159196.

Almost surely, 230706300 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 30706300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35193928).

30706300 is an abundant number, since it is smaller than the sum of its proper divisors (39681556).

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

30706300 is a wasteful number, since it uses less digits than its factorization.

30706300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 30706300 is about 5541.3265559792. The cubic root of 30706300 is about 313.1428473512.

The spelling of 30706300 in words is "thirty million, seven hundred six thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 37 43 50 74 86 100 148 172 185 193 215 370 386 430 740 772 860 925 965 1075 1591 1850 1930 2150 3182 3700 3860 4300 4825 6364 7141 7955 8299 9650 14282 15910 16598 19300 28564 31820 33196 35705 39775 41495 71410 79550 82990 142820 159100 165980 178525 207475 307063 357050 414950 614126 714100 829900 1228252 1535315 3070630 6141260 7676575 15353150 30706300