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30347200 = 2652131459
BaseRepresentation
bin111001111000…
…0111111000000
32010002210112101
41303300333000
530232102300
63002240144
7515642542
oct163607700
963083471
1030347200
1116148334
12a1b6054
136397030
14405d692
1529e6b6a
hex1cf0fc0

30347200 has 84 divisors (see below), whose sum is σ = 80472280. Its totient is φ = 11197440.

The previous prime is 30347197. The next prime is 30347201. The reversal of 30347200 is 274303.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30347201) 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 11 ways as a sum of consecutive naturals, for example, 20071 + ... + 21529.

Almost surely, 230347200 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 30347200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40236140).

30347200 is an abundant number, since it is smaller than the sum of its proper divisors (50125080).

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

30347200 is a wasteful number, since it uses less digits than its factorization.

30347200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30347200 is about 5508.8292767157. The cubic root of 30347200 is about 311.9173570287.

The spelling of 30347200 in words is "thirty million, three hundred forty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 130 160 200 208 260 320 325 400 416 520 650 800 832 1040 1300 1459 1600 2080 2600 2918 4160 5200 5836 7295 10400 11672 14590 18967 20800 23344 29180 36475 37934 46688 58360 72950 75868 93376 94835 116720 145900 151736 189670 233440 291800 303472 379340 466880 474175 583600 606944 758680 948350 1167200 1213888 1517360 1896700 2334400 3034720 3793400 6069440 7586800 15173600 30347200