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30300492 = 2232525041
BaseRepresentation
bin111001110010…
…1100101001100
32010000102110110
41303211211030
530224103432
63001240020
7515356425
oct163454514
963012413
1030300492
1116116232
12a193010
13637b9b1
14404a64c
1529d7dcc
hex1ce594c

30300492 has 12 divisors (see below), whose sum is σ = 70701176. Its totient is φ = 10100160.

The previous prime is 30300467. The next prime is 30300503. The reversal of 30300492 is 29400303.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262509 + ... + 1262532.

Almost surely, 230300492 is an apocalyptic number.

It is an amenable number.

30300492 is an abundant number, since it is smaller than the sum of its proper divisors (40400684).

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

30300492 is a wasteful number, since it uses less digits than its factorization.

30300492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525048 (or 2525046 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30300492 is about 5504.5882679815. The cubic root of 30300492 is about 311.7572487177.

Adding to 30300492 its reverse (29400303), we get a palindrome (59700795).

The spelling of 30300492 in words is "thirty million, three hundred thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 2525041 5050082 7575123 10100164 15150246 30300492