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142857064 = 2374754277
BaseRepresentation
bin10001000001111…
…01001101101000
3100221210220001101
420200331031220
5243032411224
622101531144
73353156620
oct1040751550
9327726041
10142857064
1173703699
123ba13ab4
132379a90c
1414d89880
15c81d044
hex883d368

142857064 has 32 divisors (see below), whose sum is σ = 312641280. Its totient is φ = 59920704.

The previous prime is 142857061. The next prime is 142857073. The reversal of 142857064 is 460758241.

It is not an unprimeable number, because it can be changed into a prime (142857061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24507 + ... + 29770.

It is an arithmetic number, because the mean of its divisors is an integer number (9770040).

Almost surely, 2142857064 is an apocalyptic number.

142857064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142857064 is an abundant number, since it is smaller than the sum of its proper divisors (169784216).

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

142857064 is a wasteful number, since it uses less digits than its factorization.

142857064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54337 (or 54333 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 142857064 is about 11952.2827945125. The cubic root of 142857064 is about 522.7578623872.

The spelling of 142857064 in words is "one hundred forty-two million, eight hundred fifty-seven thousand, sixty-four".

Divisors: 1 2 4 7 8 14 28 47 56 94 188 329 376 658 1316 2632 54277 108554 217108 379939 434216 759878 1519756 2551019 3039512 5102038 10204076 17857133 20408152 35714266 71428532 142857064