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30525194 = 272180371
BaseRepresentation
bin111010001110…
…0011100001010
32010102211200202
41310130130022
530303301234
63010132202
7520313510
oct164343412
963384622
1030525194
111625a037
12a281062
13642a05b
1440a84b0
152a2e77e
hex1d1c70a

30525194 has 8 divisors (see below), whose sum is σ = 52328928. Its totient is φ = 13082220.

The previous prime is 30525179. The next prime is 30525199. The reversal of 30525194 is 49152503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30525199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090172 + ... + 1090199.

It is an arithmetic number, because the mean of its divisors is an integer number (6541116).

Almost surely, 230525194 is an apocalyptic number.

30525194 is a deficient number, since it is larger than the sum of its proper divisors (21803734).

30525194 is a wasteful number, since it uses less digits than its factorization.

30525194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180380.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 30525194 is about 5524.9609953374. The cubic root of 30525194 is about 312.5259933578.

Adding to 30525194 its reverse (49152503), we get a palindrome (79677697).

The spelling of 30525194 in words is "thirty million, five hundred twenty-five thousand, one hundred ninety-four".

Divisors: 1 2 7 14 2180371 4360742 15262597 30525194