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30525306 = 2374091777
BaseRepresentation
bin111010001110…
…0011101111010
32010102211211220
41310130131322
530303302211
63010132510
7520314030
oct164343572
963384756
1030525306
111625a129
12a281136
13642a116
1440a8550
152a2e806
hex1d1c77a

30525306 has 32 divisors (see below), whose sum is σ = 69982080. Its totient is φ = 8695296.

The previous prime is 30525293. The next prime is 30525367. The reversal of 30525306 is 60352503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16290 + ... + 18066.

It is an arithmetic number, because the mean of its divisors is an integer number (2186940).

Almost surely, 230525306 is an apocalyptic number.

30525306 is an abundant number, since it is smaller than the sum of its proper divisors (39456774).

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

30525306 is a wasteful number, since it uses less digits than its factorization.

30525306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30525306 is about 5524.9711311463. The cubic root of 30525306 is about 312.5263755871.

Adding to 30525306 its reverse (60352503), we get a palindrome (90877809).

The spelling of 30525306 in words is "thirty million, five hundred twenty-five thousand, three hundred six".

Divisors: 1 2 3 6 7 14 21 42 409 818 1227 1777 2454 2863 3554 5331 5726 8589 10662 12439 17178 24878 37317 74634 726793 1453586 2180379 4360758 5087551 10175102 15262653 30525306