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142285416 = 233721341227
BaseRepresentation
bin10000111101100…
…01101001101000
3100220201211220020
420132301221220
5242411113131
622041400440
73345256200
oct1036615150
9326654806
10142285416
1173353159
123b799120
132362a670
1414c7b400
15c758996
hex87b1a68

142285416 has 192 divisors, whose sum is σ = 458498880. Its totient is φ = 36449280.

The previous prime is 142285391. The next prime is 142285441. The reversal of 142285416 is 614582241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142285391) and next prime (142285441).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 626695 + ... + 626921.

It is an arithmetic number, because the mean of its divisors is an integer number (2388015).

Almost surely, 2142285416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142285416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229249440).

142285416 is an abundant number, since it is smaller than the sum of its proper divisors (316213464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142285416 is a wasteful number, since it uses less digits than its factorization.

142285416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 293 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 142285416 is about 11928.3450654313. The cubic root of 142285416 is about 522.0596517318.

The spelling of 142285416 in words is "one hundred forty-two million, two hundred eighty-five thousand, four hundred sixteen".