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1442023412 = 22360505853
BaseRepresentation
bin101010111110011…
…1000011111110100
310201111102101020112
41111330320133310
510423124222122
6355031322152
750506665614
oct12574703764
93644371215
101442023412
1167aa91595
12342b20358
1319c9a32bb
14d9730a44
15868e62e2
hex55f387f4

1442023412 has 6 divisors (see below), whose sum is σ = 2523540978. Its totient is φ = 721011704.

The previous prime is 1442023409. The next prime is 1442023421. The reversal of 1442023412 is 2143202441.

It can be written as a sum of positive squares in only one way, i.e., 1129228816 + 312794596 = 33604^2 + 17686^2 .

It is a super-2 number, since 2×14420234122 = 4158863041512243488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180252923 + ... + 180252930.

It is an arithmetic number, because the mean of its divisors is an integer number (420590163).

Almost surely, 21442023412 is an apocalyptic number.

It is an amenable number.

1442023412 is a deficient number, since it is larger than the sum of its proper divisors (1081517566).

1442023412 is a wasteful number, since it uses less digits than its factorization.

1442023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360505857 (or 360505855 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1442023412 is about 37973.9833570301. The cubic root of 1442023412 is about 1129.7719047795.

Adding to 1442023412 its reverse (2143202441), we get a palindrome (3585225853).

The spelling of 1442023412 in words is "one billion, four hundred forty-two million, twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 360505853 721011706 1442023412