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30344300 = 2252767647
BaseRepresentation
bin111001111000…
…0010001101100
32010002122112222
41303300101230
530232004200
63002214512
7515631230
oct163602154
963078488
1030344300
1116146138
12a1b4438
13639590c
14405c5c0
1529e5d85
hex1cf046c

30344300 has 72 divisors (see below), whose sum is σ = 76495104. Its totient is φ = 10232640.

The previous prime is 30344261. The next prime is 30344309. The reversal of 30344300 is 344303.

It is not an unprimeable number, because it can be changed into a prime (30344309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46577 + ... + 47223.

It is an arithmetic number, because the mean of its divisors is an integer number (1062432).

Almost surely, 230344300 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 30344300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38247552).

30344300 is an abundant number, since it is smaller than the sum of its proper divisors (46150804).

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

30344300 is a wasteful number, since it uses less digits than its factorization.

30344300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30344300 is about 5508.5660566067. The cubic root of 30344300 is about 311.9074210308.

Adding to 30344300 its reverse (344303), we get a palindrome (30688603).

The spelling of 30344300 in words is "thirty million, three hundred forty-four thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 67 70 100 134 140 175 268 335 350 469 647 670 700 938 1294 1340 1675 1876 2345 2588 3235 3350 4529 4690 6470 6700 9058 9380 11725 12940 16175 18116 22645 23450 32350 43349 45290 46900 64700 86698 90580 113225 173396 216745 226450 303443 433490 452900 606886 866980 1083725 1213772 1517215 2167450 3034430 4334900 6068860 7586075 15172150 30344300