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30346028 = 227586507
BaseRepresentation
bin111001111000…
…0101100101100
32010002201220222
41303300230230
530232033103
63002230512
7515636246
oct163605454
963081828
1030346028
1116147469
12a1b5438
13639663b
14405d096
1529e6638
hex1cf0b2c

30346028 has 6 divisors (see below), whose sum is σ = 53105556. Its totient is φ = 15173012.

The previous prime is 30346013. The next prime is 30346081. The reversal of 30346028 is 82064303.

It is a junction number, because it is equal to n+sod(n) for n = 30345988 and 30346006.

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 as a sum of consecutive naturals, namely, 3793250 + ... + 3793257.

It is an arithmetic number, because the mean of its divisors is an integer number (8850926).

Almost surely, 230346028 is an apocalyptic number.

It is an amenable number.

30346028 is a deficient number, since it is larger than the sum of its proper divisors (22759528).

30346028 is a wasteful number, since it uses less digits than its factorization.

30346028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586511 (or 7586509 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30346028 is about 5508.7229009998. The cubic root of 30346028 is about 311.9133415913.

The spelling of 30346028 in words is "thirty million, three hundred forty-six thousand, twenty-eight".

Divisors: 1 2 4 7586507 15173014 30346028