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1442541233 = 7229439617
BaseRepresentation
bin101010111111011…
…0110111010110001
310201112101200120002
41111332312322301
510423242304413
6355050355345
750514253400
oct12576667261
93645350502
101442541233
11680305641
1234312bb55
1319cb24bc3
14d9827637
1586999958
hex55fb6eb1

1442541233 has 6 divisors (see below), whose sum is σ = 1678058226. Its totient is φ = 1236463872.

The previous prime is 1442541211. The next prime is 1442541271. The reversal of 1442541233 is 3321452441.

It can be written as a sum of positive squares in only one way, i.e., 1188043024 + 254498209 = 34468^2 + 15953^2 .

It is not a de Polignac number, because 1442541233 - 224 = 1425764017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442541196 and 1442541205.

It is not an unprimeable number, because it can be changed into a prime (1442541833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14719760 + ... + 14719857.

It is an arithmetic number, because the mean of its divisors is an integer number (279676371).

Almost surely, 21442541233 is an apocalyptic number.

It is an amenable number.

1442541233 is a deficient number, since it is larger than the sum of its proper divisors (235516993).

1442541233 is an equidigital number, since it uses as much as digits as its factorization.

1442541233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29439631 (or 29439624 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 1442541233 is about 37980.8008472702. The cubic root of 1442541233 is about 1129.9071197839.

Adding to 1442541233 its reverse (3321452441), we get a palindrome (4763993674).

The spelling of 1442541233 in words is "one billion, four hundred forty-two million, five hundred forty-one thousand, two hundred thirty-three".

Divisors: 1 7 49 29439617 206077319 1442541233