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30057302 = 2111366241
BaseRepresentation
bin111001010101…
…0001101010110
32002120001212102
41302222031112
530143313202
62552122102
7513324422
oct162521526
962501772
1030057302
1115a6a550
12a096332
1362c50b2
143dc5b82
15298ad02
hex1caa356

30057302 has 8 divisors (see below), whose sum is σ = 49184712. Its totient is φ = 13662400.

The previous prime is 30057289. The next prime is 30057317. The reversal of 30057302 is 20375003.

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

It is a super-3 number, since 3×300573023 (a number of 23 digits) contains 333 as substring.

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, 683099 + ... + 683142.

It is an arithmetic number, because the mean of its divisors is an integer number (6148089).

Almost surely, 230057302 is an apocalyptic number.

30057302 is a deficient number, since it is larger than the sum of its proper divisors (19127410).

30057302 is a wasteful number, since it uses less digits than its factorization.

30057302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366254.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 30057302 is about 5482.4540125750. The cubic root of 30057302 is about 310.9209588113.

The spelling of 30057302 in words is "thirty million, fifty-seven thousand, three hundred two".

Divisors: 1 2 11 22 1366241 2732482 15028651 30057302