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30974236 = 227743559
BaseRepresentation
bin111011000101…
…0000100011100
32011021122122221
41312022010130
530412133421
63023515124
7524163616
oct166120434
964248587
1030974236
1116536447
12a458aa4
136556567
144183db6
152abc841
hex1d8a11c

30974236 has 6 divisors (see below), whose sum is σ = 54204920. Its totient is φ = 15487116.

The previous prime is 30974227. The next prime is 30974243. The reversal of 30974236 is 63247903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3871776 + ... + 3871783.

Almost surely, 230974236 is an apocalyptic number.

It is an amenable number.

30974236 is a deficient number, since it is larger than the sum of its proper divisors (23230684).

30974236 is a wasteful number, since it uses less digits than its factorization.

30974236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743563 (or 7743561 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 30974236 is about 5565.4502064074. The cubic root of 30974236 is about 314.0510147413.

The spelling of 30974236 in words is "thirty million, nine hundred seventy-four thousand, two hundred thirty-six".

Divisors: 1 2 4 7743559 15487118 30974236