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30325990 = 253032599
BaseRepresentation
bin111001110101…
…1110011100110
32010001201102211
41303223303212
530230412430
63001554034
7515523652
oct163536346
963051384
1030325990
1116133402
12a1a591a
13638a496
144055a62
1529e072a
hex1cebce6

30325990 has 8 divisors (see below), whose sum is σ = 54586800. Its totient is φ = 12130392.

The previous prime is 30325979. The next prime is 30325991. The reversal of 30325990 is 9952303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30325991) 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, 1516290 + ... + 1516309.

It is an arithmetic number, because the mean of its divisors is an integer number (6823350).

Almost surely, 230325990 is an apocalyptic number.

30325990 is a deficient number, since it is larger than the sum of its proper divisors (24260810).

30325990 is a wasteful number, since it uses less digits than its factorization.

30325990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032606.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 30325990 is about 5506.9038488065. The cubic root of 30325990 is about 311.8446725744.

The spelling of 30325990 in words is "thirty million, three hundred twenty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 3032599 6065198 15162995 30325990