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1142230412 = 221017273889
BaseRepresentation
bin100010000010101…
…0000110110001100
32221121022022120002
41010011100312030
54314402333122
6305201543432
740206540551
oct10405206614
92847268502
101142230412
11536839684
1227a644b78
131528487ab
14ab9b2a28
156a428992
hex44150d8c

1142230412 has 24 divisors (see below), whose sum is σ = 2021990880. Its totient is φ = 564537600.

The previous prime is 1142230409. The next prime is 1142230423. The reversal of 1142230412 is 2140322411.

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 7 ways as a sum of consecutive naturals, for example, 291764 + ... + 295652.

It is an arithmetic number, because the mean of its divisors is an integer number (84249620).

Almost surely, 21142230412 is an apocalyptic number.

It is an amenable number.

1142230412 is a deficient number, since it is larger than the sum of its proper divisors (879760468).

1142230412 is a wasteful number, since it uses less digits than its factorization.

1142230412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142230412 is about 33796.8994435880. The cubic root of 1142230412 is about 1045.3247655530.

Adding to 1142230412 its reverse (2140322411), we get a palindrome (3282552823).

The spelling of 1142230412 in words is "one billion, one hundred forty-two million, two hundred thirty thousand, four hundred twelve".

Divisors: 1 2 4 101 202 404 727 1454 2908 3889 7778 15556 73427 146854 293708 392789 785578 1571156 2827303 5654606 11309212 285557603 571115206 1142230412