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30084556 = 2218774007
BaseRepresentation
bin111001011000…
…0110111001100
32002121110020211
41302300313030
530200201211
62552452204
7513500035
oct162606714
962543224
1030084556
1115a88a77
12a0aa064
136304618
143dd1a8c
152993e21
hex1cb0dcc

30084556 has 12 divisors (see below), whose sum is σ = 52689168. Its totient is φ = 15030512.

The previous prime is 30084547. The next prime is 30084557. The reversal of 30084556 is 65548003.

It is not an unprimeable number, because it can be changed into a prime (30084557) 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 3 ways as a sum of consecutive naturals, for example, 5505 + ... + 9511.

It is an arithmetic number, because the mean of its divisors is an integer number (4390764).

Almost surely, 230084556 is an apocalyptic number.

It is an amenable number.

30084556 is a deficient number, since it is larger than the sum of its proper divisors (22604612).

30084556 is a wasteful number, since it uses less digits than its factorization.

30084556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888 (or 5886 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 30084556 is about 5484.9390151578. The cubic root of 30084556 is about 311.0149047009.

The spelling of 30084556 in words is "thirty million, eighty-four thousand, five hundred fifty-six".

Divisors: 1 2 4 1877 3754 4007 7508 8014 16028 7521139 15042278 30084556