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30300516 = 223219311429
BaseRepresentation
bin111001110010…
…1100101100100
32010000102111100
41303211211210
530224104031
63001240100
7515356461
oct163454544
963012440
1030300516
1116116254
12a193030
13637b9cc
14404a668
1529d7de6
hex1ce5964

30300516 has 72 divisors (see below), whose sum is σ = 83283200. Its totient is φ = 9253440.

The previous prime is 30300503. The next prime is 30300539. The reversal of 30300516 is 61500303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 20490 + ... + 21918.

Almost surely, 230300516 is an apocalyptic number.

30300516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30300516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41641600).

30300516 is an abundant number, since it is smaller than the sum of its proper divisors (52982684).

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

30300516 is a wasteful number, since it uses less digits than its factorization.

30300516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30300516 is about 5504.5904479807. The cubic root of 30300516 is about 311.7573310285.

Adding to 30300516 its reverse (61500303), we get a palindrome (91800819).

The spelling of 30300516 in words is "thirty million, three hundred thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 19 31 36 38 57 62 76 93 114 124 171 186 228 279 342 372 558 589 684 1116 1178 1429 1767 2356 2858 3534 4287 5301 5716 7068 8574 10602 12861 17148 21204 25722 27151 44299 51444 54302 81453 88598 108604 132897 162906 177196 244359 265794 325812 398691 488718 531588 797382 841681 977436 1594764 1683362 2525043 3366724 5050086 7575129 10100172 15150258 30300516