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30933712 = 242384059
BaseRepresentation
bin111011000000…
…0001011010000
32011012121002001
41312000023100
530404334322
63023003344
7523634515
oct166001320
964177061
1030933712
1116508a57
12a439554
136540c94
14417330c
152ab0827
hex1d802d0

30933712 has 20 divisors (see below), whose sum is σ = 62540640. Its totient is φ = 14794208.

The previous prime is 30933703. The next prime is 30933719. The reversal of 30933712 is 21733903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30933719) 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, 41662 + ... + 42397.

It is an arithmetic number, because the mean of its divisors is an integer number (3127032).

Almost surely, 230933712 is an apocalyptic number.

It is an amenable number.

30933712 is an abundant number, since it is smaller than the sum of its proper divisors (31606928).

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

30933712 is a wasteful number, since it uses less digits than its factorization.

30933712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84090 (or 84084 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 30933712 is about 5561.8083390207. The cubic root of 30933712 is about 313.9139959462.

The spelling of 30933712 in words is "thirty million, nine hundred thirty-three thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 23 46 92 184 368 84059 168118 336236 672472 1344944 1933357 3866714 7733428 15466856 30933712