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1442520514 = 25153139969
BaseRepresentation
bin101010111111011…
…0001110111000010
310201112100122010201
41111332301313002
510423241124024
6355050115414
750514136111
oct12576616702
93645318121
101442520514
116802a1016
1234311bb6a
1319cb18646
14d981dc78
1586993744
hex55fb1dc2

1442520514 has 8 divisors (see below), whose sum is σ = 2164216140. Its totient is φ = 721115136.

The previous prime is 1442520511. The next prime is 1442520529. The reversal of 1442520514 is 4150252441.

It can be written as a sum of positive squares in 2 ways, for example, as 1362864889 + 79655625 = 36917^2 + 8925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1442520511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59679 + ... + 80290.

Almost surely, 21442520514 is an apocalyptic number.

1442520514 is a deficient number, since it is larger than the sum of its proper divisors (721695626).

1442520514 is a wasteful number, since it uses less digits than its factorization.

1442520514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145124.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1442520514 is about 37980.5280900621. The cubic root of 1442520514 is about 1129.9017101967.

Adding to 1442520514 its reverse (4150252441), we get a palindrome (5592772955).

The spelling of 1442520514 in words is "one billion, four hundred forty-two million, five hundred twenty thousand, five hundred fourteen".

Divisors: 1 2 5153 10306 139969 279938 721260257 1442520514