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30098866 = 2710320873
BaseRepresentation
bin111001011010…
…0010110110010
32002122011212211
41302310112302
530201130431
62553042334
7513556540
oct162642662
962564784
1030098866
1115a987a6
12a0b63aa
13630aca5
143dd6d90
1529982b1
hex1cb45b2

30098866 has 16 divisors (see below), whose sum is σ = 52101504. Its totient is φ = 12773664.

The previous prime is 30098863. The next prime is 30098867. The reversal of 30098866 is 66889003.

It is not an unprimeable number, because it can be changed into a prime (30098863) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8995 + ... + 11878.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 230098866 is an apocalyptic number.

30098866 is a deficient number, since it is larger than the sum of its proper divisors (22002638).

30098866 is a wasteful number, since it uses less digits than its factorization.

30098866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20985.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 30098866 is about 5486.2433413038. The cubic root of 30098866 is about 311.0642092656.

The spelling of 30098866 in words is "thirty million, ninety-eight thousand, eight hundred sixty-six".

Divisors: 1 2 7 14 103 206 721 1442 20873 41746 146111 292222 2149919 4299838 15049433 30098866