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1442530342 = 2111713129443
BaseRepresentation
bin101010111111011…
…0100010000100110
310201112101010121201
41111332310100212
510423241432332
6355050233114
750514206551
oct12576642046
93645333551
101442530342
116802a8440
1234312579a
1319cb1cc66
14d9823698
15869965e7
hex55fb4426

1442530342 has 32 divisors (see below), whose sum is σ = 2518521984. Its totient is φ = 612393600.

The previous prime is 1442530339. The next prime is 1442530343. The reversal of 1442530342 is 2430352441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442530342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442530343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34273 + ... + 63715.

It is an arithmetic number, because the mean of its divisors is an integer number (78703812).

Almost surely, 21442530342 is an apocalyptic number.

1442530342 is a deficient number, since it is larger than the sum of its proper divisors (1075991642).

1442530342 is a wasteful number, since it uses less digits than its factorization.

1442530342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29604.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1442530342 is about 37980.6574719291. The cubic root of 1442530342 is about 1129.9042762258.

Adding to 1442530342 its reverse (2430352441), we get a palindrome (3872882783).

The spelling of 1442530342 in words is "one billion, four hundred forty-two million, five hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 11 17 22 34 131 187 262 374 1441 2227 2882 4454 24497 29443 48994 58886 323873 500531 647746 1001062 3857033 5505841 7714066 11011682 42427363 65569561 84854726 131139122 721265171 1442530342