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30302986 = 2719113921
BaseRepresentation
bin111001110011…
…0001100001010
32010000112212211
41303212030022
530224143421
63001255334
7515366620
oct163461412
963015784
1030302986
111611809a
12a19454a
13637cb7c
14404b510
1529d89e1
hex1ce630a

30302986 has 16 divisors (see below), whose sum is σ = 54682560. Its totient is φ = 12303360.

The previous prime is 30302971. The next prime is 30303001. The reversal of 30302986 is 68920303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30302971) and next prime (30303001).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56695 + ... + 57226.

It is an arithmetic number, because the mean of its divisors is an integer number (3417660).

Almost surely, 230302986 is an apocalyptic number.

30302986 is a deficient number, since it is larger than the sum of its proper divisors (24379574).

30302986 is a wasteful number, since it uses less digits than its factorization.

30302986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113949.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 30302986 is about 5504.8148016078. The cubic root of 30302986 is about 311.7658019479.

The spelling of 30302986 in words is "thirty million, three hundred two thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 19 38 133 266 113921 227842 797447 1594894 2164499 4328998 15151493 30302986