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142014530 = 2572028779
BaseRepresentation
bin10000111011011…
…11100001000010
3100220020002022102
420131233201002
5242323431110
622031510402
73343050350
oct1035574102
9326202272
10142014530
1173188689
123b688402
1323564288
1414c0a7d0
15c7035a5
hex876f842

142014530 has 16 divisors (see below), whose sum is σ = 292144320. Its totient is φ = 48690672.

The previous prime is 142014511. The next prime is 142014539. The reversal of 142014530 is 35410241.

It is a super-2 number, since 2×1420145302 = 40336253462241800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142014539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014320 + ... + 1014459.

It is an arithmetic number, because the mean of its divisors is an integer number (18259020).

Almost surely, 2142014530 is an apocalyptic number.

142014530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142014530 is an abundant number, since it is smaller than the sum of its proper divisors (150129790).

142014530 is a wasteful number, since it uses less digits than its factorization.

142014530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028793.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142014530 is about 11916.9849374747. The cubic root of 142014530 is about 521.7281385074.

Adding to 142014530 its reverse (35410241), we get a palindrome (177424771).

The spelling of 142014530 in words is "one hundred forty-two million, fourteen thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2028779 4057558 10143895 14201453 20287790 28402906 71007265 142014530