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12042984 = 2332321817
BaseRepresentation
bin101101111100…
…001011101000
3211122211212110
4231330023220
511040333414
61110042320
7204235512
oct55741350
924584773
1012042984
116886088
1240493a0
132658735
141856bb2
1510cd459
hexb7c2e8

12042984 has 32 divisors (see below), whose sum is σ = 31417920. Its totient is φ = 3839616.

The previous prime is 12042983. The next prime is 12043001. The reversal of 12042984 is 48924021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042983) 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, 10357 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (981810).

Almost surely, 212042984 is an apocalyptic number.

It is an amenable number.

12042984 is an abundant number, since it is smaller than the sum of its proper divisors (19374936).

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

12042984 is a wasteful number, since it uses less digits than its factorization.

12042984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21849 (or 21845 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12042984 is about 3470.3002751923. The cubic root of 12042984 is about 229.2158805306.

The spelling of 12042984 in words is "twelve million, forty-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 21817 43634 65451 87268 130902 174536 261804 501791 523608 1003582 1505373 2007164 3010746 4014328 6021492 12042984