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30800328 = 23313175807
BaseRepresentation
bin111010101111…
…1100111001000
32010221211002220
41311133213020
530341102303
63020054040
7522540606
oct165374710
963854086
1030800328
1116427819
12a394320
1364c5360
14413a876
152a86053
hex1d5f9c8

30800328 has 64 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 8918016.

The previous prime is 30800323. The next prime is 30800333. The reversal of 30800328 is 82300803.

It is an interprime number because it is at equal distance from previous prime (30800323) and next prime (30800333).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30800298 and 30800307.

It is not an unprimeable number, because it can be changed into a prime (30800323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2401 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 230800328 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 30800328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43908480).

30800328 is an abundant number, since it is smaller than the sum of its proper divisors (57016632).

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

30800328 is a wasteful number, since it uses less digits than its factorization.

30800328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846 (or 5842 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30800328 is about 5549.8043208747. The cubic root of 30800328 is about 313.4621541630.

The spelling of 30800328 in words is "thirty million, eight hundred thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1326 1768 2652 5304 5807 11614 17421 23228 34842 46456 69684 75491 98719 139368 150982 197438 226473 296157 301964 394876 452946 592314 603928 789752 905892 1184628 1283347 1811784 2369256 2566694 3850041 5133388 7700082 10266776 15400164 30800328