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30354056 = 233794257
BaseRepresentation
bin111001111001…
…0101010001000
32010010010221022
41303302222020
530232312211
63002332012
7516001535
oct163625210
963103838
1030354056
11161524a7
12a1ba008
13639a1a5
144061d8c
1529e8bdb
hex1cf2a88

30354056 has 8 divisors (see below), whose sum is σ = 56913870. Its totient is φ = 15177024.

The previous prime is 30354047. The next prime is 30354109. The reversal of 30354056 is 65045303.

It can be written as a sum of positive squares in only one way, i.e., 20557156 + 9796900 = 4534^2 + 3130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×303540562 = 1842737431302272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1897121 + ... + 1897136.

Almost surely, 230354056 is an apocalyptic number.

It is an amenable number.

30354056 is a deficient number, since it is larger than the sum of its proper divisors (26559814).

30354056 is a wasteful number, since it uses less digits than its factorization.

30354056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794263 (or 3794259 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 30354056 is about 5509.4515153507. The cubic root of 30354056 is about 311.9408445814.

Adding to 30354056 its reverse (65045303), we get a palindrome (95399359).

The spelling of 30354056 in words is "thirty million, three hundred fifty-four thousand, fifty-six".

Divisors: 1 2 4 8 3794257 7588514 15177028 30354056