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142288485 = 359485899
BaseRepresentation
bin10000111101100…
…10011001100101
3100220202000002220
420132302121211
5242411212420
622041422553
73345301143
oct1036623145
9326660086
10142288485
1173355499
123b79aa59
132362bb91
1414c7c593
15c759840
hex87b2665

142288485 has 8 divisors (see below), whose sum is σ = 227661600. Its totient is φ = 75887184.

The previous prime is 142288451. The next prime is 142288513. The reversal of 142288485 is 584882241.

142288485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142288485 - 210 = 142287461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742935 + ... + 4742964.

It is an arithmetic number, because the mean of its divisors is an integer number (28457700).

Almost surely, 2142288485 is an apocalyptic number.

142288485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142288485 is a deficient number, since it is larger than the sum of its proper divisors (85373115).

142288485 is an equidigital number, since it uses as much as digits as its factorization.

142288485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485907.

The product of its digits is 163840, while the sum is 42.

The square root of 142288485 is about 11928.4737078974. The cubic root of 142288485 is about 522.0634051958.

The spelling of 142288485 in words is "one hundred forty-two million, two hundred eighty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 15 9485899 28457697 47429495 142288485