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30520300 = 22522391277
BaseRepresentation
bin111010001101…
…1001111101100
32010102120222111
41310123033230
530303122200
63010053404
7520263316
oct164331754
963376874
1030520300
1116256398
12a27a264
136427a65
1440a67b6
152a2d0ba
hex1d1b3ec

30520300 has 36 divisors (see below), whose sum is σ = 66558240. Its totient is φ = 12147520.

The previous prime is 30520261. The next prime is 30520331. The reversal of 30520300 is 302503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23262 + ... + 24538.

It is an arithmetic number, because the mean of its divisors is an integer number (1848840).

Almost surely, 230520300 is an apocalyptic number.

It is an amenable number.

30520300 is an abundant number, since it is smaller than the sum of its proper divisors (36037940).

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

30520300 is a wasteful number, since it uses less digits than its factorization.

30520300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 30520300 is about 5524.5180785296. The cubic root of 30520300 is about 312.5092903905.

Adding to 30520300 its reverse (302503), we get a palindrome (30822803).

The spelling of 30520300 in words is "thirty million, five hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 239 478 956 1195 1277 2390 2554 4780 5108 5975 6385 11950 12770 23900 25540 31925 63850 127700 305203 610406 1220812 1526015 3052030 6104060 7630075 15260150 30520300