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30792028 = 227698007
BaseRepresentation
bin111010101110…
…1100101011100
32010221101201111
41311131211130
530340321103
63015551404
7522504451
oct165354534
963841644
1030792028
1116421563
12a38b564
1364c1647
144137828
152a8386d
hex1d5d95c

30792028 has 6 divisors (see below), whose sum is σ = 53886056. Its totient is φ = 15396012.

The previous prime is 30792023. The next prime is 30792037. The reversal of 30792028 is 82029703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30792023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849000 + ... + 3849007.

Almost surely, 230792028 is an apocalyptic number.

It is an amenable number.

30792028 is a deficient number, since it is larger than the sum of its proper divisors (23094028).

30792028 is a wasteful number, since it uses less digits than its factorization.

30792028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698011 (or 7698009 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30792028 is about 5549.0564963785. The cubic root of 30792028 is about 313.4339946186.

The spelling of 30792028 in words is "thirty million, seven hundred ninety-two thousand, twenty-eight".

Divisors: 1 2 4 7698007 15396014 30792028