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30208432 = 243475441
BaseRepresentation
bin111001100111…
…1000110110000
32002211202011211
41303033012300
530213132212
62555245504
7514524142
oct163170660
962752154
1030208432
1116063051
12a149894
136348b17
144024c92
1529ba9a7
hex1ccf1b0

30208432 has 20 divisors (see below), whose sum is σ = 58708296. Its totient is φ = 15057920.

The previous prime is 30208429. The next prime is 30208457. The reversal of 30208432 is 23480203.

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, 2832 + ... + 8272.

Almost surely, 230208432 is an apocalyptic number.

It is an amenable number.

30208432 is a deficient number, since it is larger than the sum of its proper divisors (28499864).

30208432 is a wasteful number, since it uses less digits than its factorization.

30208432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796 (or 5790 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 30208432 is about 5496.2197918206. The cubic root of 30208432 is about 311.4411978801.

Adding to 30208432 its reverse (23480203), we get a palindrome (53688635).

The spelling of 30208432 in words is "thirty million, two hundred eight thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 347 694 1388 2776 5441 5552 10882 21764 43528 87056 1888027 3776054 7552108 15104216 30208432