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30028604 = 2216744953
BaseRepresentation
bin111001010001…
…1001100111100
32002111121111112
41302203030330
530141403404
62551341152
7513144644
oct162431474
962447445
1030028604
1115a4aa31
12a0817b8
1362b5008
143db9524
15298256e
hex1ca333c

30028604 has 12 divisors (see below), whose sum is σ = 52865904. Its totient is φ = 14924064.

The previous prime is 30028589. The next prime is 30028627. The reversal of 30028604 is 40682003.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30028604.

It is a congruent number.

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, 21809 + ... + 23144.

It is an arithmetic number, because the mean of its divisors is an integer number (4405492).

Almost surely, 230028604 is an apocalyptic number.

It is an amenable number.

30028604 is a deficient number, since it is larger than the sum of its proper divisors (22837300).

30028604 is a wasteful number, since it uses less digits than its factorization.

30028604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45124 (or 45122 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30028604 is about 5479.8361289367. The cubic root of 30028604 is about 310.8219739795.

The spelling of 30028604 in words is "thirty million, twenty-eight thousand, six hundred four".

Divisors: 1 2 4 167 334 668 44953 89906 179812 7507151 15014302 30028604