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30027042 = 2325632963
BaseRepresentation
bin111001010001…
…0110100100010
32002111112100200
41302202310202
530141331132
62551330030
7513140253
oct162426442
962445320
1030027042
1115a49841
12a080916
1362b43a6
143db8b2a
152981d7c
hex1ca2d22

30027042 has 24 divisors (see below), whose sum is σ = 65196144. Its totient is φ = 9987864.

The previous prime is 30027013. The next prime is 30027059. The reversal of 30027042 is 24072003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8653 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (2716506).

Almost surely, 230027042 is an apocalyptic number.

30027042 is an abundant number, since it is smaller than the sum of its proper divisors (35169102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30027042 is a wasteful number, since it uses less digits than its factorization.

30027042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30027042 is about 5479.6936045732. The cubic root of 30027042 is about 310.8165845366.

Adding to 30027042 its reverse (24072003), we get a palindrome (54099045).

The spelling of 30027042 in words is "thirty million, twenty-seven thousand, forty-two".

Divisors: 1 2 3 6 9 18 563 1126 1689 2963 3378 5067 5926 8889 10134 17778 26667 53334 1668169 3336338 5004507 10009014 15013521 30027042